2003 BMW 525i Cooling and Climate Controls
Find Your Specific 2003 BMW 525i Cooling and Climate Controls
Below you will find various in-demand BMW Cooling and Climate Controls, components and accessories for your 2003 525i. Advance Auto Parts has popular 525i parts like HVAC Electrical Parts, Heating Parts, Air Conditioning Parts and more. You’ll also find aftermarket and OEM Cooling and Climate Controls for other 525i model years including
1993,
1994,
1995,
2001,
2002,
2004,
2005,
2006,
2007 and more. Select a category of 2003 BMW 525i Cooling and Climate Controls below and start saving instantly.
Popular 2003 BMW 525i Cooling and Climate Controls Categories
Essential Cooling and Climate Controls for 2003 BMW 525is
Dorman – Dorman A/C Condenser Fan Assembly: with Controller, Cost Effective and Reliable, 620-904 (Part No.620-904)
from
$295.99
This A/C condenser fan assembly is precision-engineered to match the fit and performance of the stock condenser fan on specific vehicle years, makes and models. It has been rigorously tested to ensure it functions as effectively as the original part.
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Carquest Premium – Carquest A/C System Valve Core and Cap Kit, T26826 (Part No.T26826)
from
$22.99
Carquest A/C Accessories are designed for optimal performance to protect your air conditioning parts and systems from unwanted leaks. They are designed to seal each connection with premium quality material and exact measurements.
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NTK – NTK Ambient Air Temperature Sensor, AN0048 (Part No.AN0048)
from
$44.99
Building upon a foundation of premium full-line products established under NGK ignition and oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. is the only OE supplier with a full line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.
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Dorman – Dorman Auxiliary Coolant Pump, 902-076 (Part No.902-076)
from
$144.99
This engine auxiliary water pump is designed to match the fit and function of the original pump on specified applications, and is engineered for reliable performance and durability.
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Carquest Premium – Carquest HVAC Heater Core Temperature Sensor, WTA1967 (Part No.WTA1967)
from
$43.99
The temperature of various systems must be reported to the engine control module (ECM) as well as other operating system controllers in the vehicle. Coolant temperature, cabin temperature, exhaust temperature and ambient temperature are just a few systems reported by a temperature sensor. The temperature sensor is fed 5 volts by the systems computer, within the sensor housing will be a thermistor, or dropping resistor whose resistance value will change as the temperature surrounding it changes. Changing resistance in the circuit will change the volt signal at the processor indicating the current operating value.
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Carquest Premium – Carquest Coolant Temperature Sensor 1TS1036, WTC1142 (Part No.WTC1142)
from
$32.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
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Rein – Rein Coolant Pipe, CHP0597 (Part No.CHP0597)
from
$77.99
Rein Automotive OE quality coolant pipes fit European vehicles the way the original manufacturer intended. Designed to be a direct replacements for the OE coolant, Rein coolant pipes are identical to the OEM.
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Rein – Rein Expansion Tank Kit, EPK0128 (Part No.EPK0128)
from
$117.99
Rein Automotive OE quality expansion tank kits, install, fit and perform the way the original manufacturer intended. These tanks are designed to match or exceed the OE materials used and are produced from virgin plastic with no regrind to prevent cracking from heat cycles and ensure the plastic is durable and will have a long service life
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Dorman – Dorman Blower Motor Resistor Harness, 645-735 (Part No.645-735)
from
$73.99
This blower motor resistor connector is designed to replace an original equipment connector damaged by corrosion or overheating. Corrosion-resistant terminals ensure reliable performance.
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Carquest Premium – Carquest Thermostat Kit: Gasket Included, 85957 (Part No.85957)
from
$119.99
We are proud to offer this Carquest product line: Carquest Water Outlets. Our products are engineered and tested to provide years of trouble free operation and designed to be hassle free OE replacement part that meets and/or exceeds OE standards. Backed by over 50 years of mobile temperature control experience, fix it once and fix it right with CARQUST Water Outlets and Thermostat Housings.
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Carquest Premium – Carquest A/C Evaporator Core, T44030 (Part No.T44030)
from
$143.99
Carquest Evaporators are designed to remove heat from the air inside the passenger compartment of a vehicle resulting in cooler air temperatures. They are manufactured to meet or exceed original equipment specifications and are designed to easily fit into the engine compartment.
See More
Carquest Premium – Carquest HVAC Heater Core, 910637 (Part No.910637)
from
$58.99
Carquest Premium heater cores use advanced engineering methods together with innovative manufacturing technology resulting in a product that meets or exceeds form, fit, and function.
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Felpro – Felpro Engine Coolant Thermostat Gasket, 36056 (Part No.36056)
from
$8.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Carquest Premium – Carquest HVAC Thermostatic Operated Electric Heater Valve, T74892 (Part No.T74892)
from
$181.99
Carquest Heater Control Valves are application specific and tested to ensure proper fit and function to maintain your vehicle’s heater is functioning to OEM standards.
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Carquest Premium – Carquest Fuel Cap Tester Adapter, 12406 (Part No.12406)
from
$28.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.
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Carquest Premium – Carquest New A/C Compressor with Clutch – 7SEU17C, T68305 (Part No.T68305)
from
$459.99
Carquest New Compressors are designed, manufactured and tested to meet or exceed strict original equipment specifications for superior quality and performance. Each new compressor is tested to provide durable life to the vehicle’s air conditioning system. All new compressor components are assembled using state of the art equipment and techniques to ensure smooth operation. Each part is equipped with a clutch and connector that matches the original equipment part and provides an exact replacement to your vehicle’s part. All compressors are supplied with the necessary gaskets and O-rings for installation.
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KAI – KAI Radiator, RAD2825 (Part No.RAD2825)
from
$309.99
New Platinum Pro Radiator, 2.5/3.0/4.8 Liter Engines, Automatic Or Manual Transmission
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URO Parts – URO Parts Aluminum Water Pump Pulley, 11511730554PRM (Part No.11511730554PRM)
from
$28.49
For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO Parts components are ideal for both professional and DIY vehicle repair, and are often the exclusive aftermarket alternative to overpriced €œGenuine€ components. By reducing deferred maintenance with URO Parts, you will increase the bottom line of your business. With its URO Premium line, A.P.A. offers problem-solving upgraded components that are superior to failure-prone OEM parts in design and/or materials. A.P.A. is so confident in the longevity and reliability of URO Premium products, . URO Parts also specializes in accurate reproduction parts for classic vehicles, including a huge variety of items that are no longer available from the dealer.
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Omega Environmental Tech – Omega Environmental Tech A/C Expansion Valve, 31-30903-AM (Part No.31-30903-AM)
from
$104.99
The expansion valve/orifice tube is designed to slow the refrigerant before it enters the evaporator, maximizing the refrigerant’s cooling capability. Omega recommends replacing the expansion valve/orifice tube each time the A/C system is serviced to ensure optimal performance. Our Expansion Valves are manufactured from the highest quality materials and are engineered for long life under extreme conditions, ensuring reliable performance and durability. Each valve is individually packaged to prevent contamination, maintaining the integrity of the A/C system.
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Carquest Premium – Carquest A/C Replacement Kit, 4909K (Part No.4909K)
from
$526.99
Save time on installation with everything you need in one box for an air conditioning replacement. The Carquest Premium A/C Compressor and Component Kit includes the necessary compressor, accumulator/receiver drier, and orifice tube/expansion valve, along with the necessary O-rings, gaskets, and oil. The parts are manufactured with strict quality standards from Gilmore, a climate control partner to Advance Auto Parts for over 25 years.
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Carquest Premium – Carquest Integrated Thermostat Housing, 85955 (Part No.85955)
from
$132.99
High quality OE replacement part with all components needed to complete the job.
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Carquest Premium – Carquest Engine Coolant Level Sensor, FFA1123 (Part No.FFA1123)
from
$45.99
The engine cooling system is critical to engine sustainability under all operating conditions. The Coolant Level Sensor reports the level of coolant either in the radiator overflow container or in the radiator tank.
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Certified A/C Pro – Certified A/C PRO Power Clean & Flush (1.06 lbs.) (CA Compliant), CA-1 (Part No.CA-1)
from
$19.99
Certified A/C Pro Power Clean and Flush Aerosol Cleaner. Aerosol flush for R134a and R12 auto Refrigerant air conditioning systems. Safely removed old oil and contaminants from the air condistion systems. Includes disposable dispensing hose. Biodegradable and environmentally friendly. Fast drying Pproduct includes installation hose.
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Carquest Premium – Carquest HVAC Blower Motor Resistor, RUA1772 (Part No.RUA1772)
from
$103.99
Carquest Premium blower motor resistors are designed to restore proper functionality in the HVAC system while meeting or exceeding original equipment (O.E.) specifications. Carquest Premium blower motor resistors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium blower motor resistors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium blower motor resistors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
See More
Carquest Premium – Carquest A/C Receiver Drier, T33665 (Part No.T33665)
from
$45.49
Carquest Accumulators and Receiver Driers are designed to store, filter and dry the air conditioning refrigerant to provide proper performance and durability for the air conditioning system. They are manufactured to meet or exceed original equipment specifications.
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KAI – KAI A/C Condenser, CNDDPI3105 (Part No.CNDDPI3105)
Dorman – Dorman Brass Coolant Air Bleeder Screw (OE Fix), 902-404HP (Part No.902-404HP)
from
$8.99
On certain BMW, Mini, Chrysler, Dodge, Jeep, and Ram vehicles, the original equipment engine coolant bleeder screw is made of plastic. Over time and during normal service, the head of the plastic screw deforms, becomes difficult to turn, and inevitably requires replacement. This Dorman OE FIX coolant air bleeder screw is made of brass to resist deforming during service, saving the expense of replacing the original screw with the same failure-prone plastic design.
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Carquest Premium – Carquest A/C Refrigerant Discharge Hose, T55334 (Part No.T55334)
from
$65.99
Carquest Hose Assemblies are designed to carry refrigerant in an air conditioning system. They are manufactured to meet or exceed original equipment specifications and are designed to easily fit into the engine compartment.
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Upgrade your 2003 BMW 525i with Top-Quality Cooling and Climate Controls
When it comes to maintaining or upgrading your 2003 BMW 525i, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your BMW or enhancing its overall performance, Cooling and Climate Controls are key to keeping your 525i functioning at its best. At Advance Auto Parts, we offer a wide selection of 87 Cooling and Climate Controls for the 2003 BMW 525i, designed to meet your needs without breaking the bank.
From
HVAC Electrical Part
replacements to
Heating Parts
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Cooling and Climate Controls for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Cooling and Climate Controls for your 2003 BMW 525i at great prices.
Our Cooling and Climate Controls inventory for this model
ranges from just $1.99 to $507.99, with
an average price of $94.85.
Our 87 Cooling and Climate Controls in stock come from 17 trusted brands, so you’re sure to find the right part for your 2003 BMW 525i without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2003 BMW 525i, we stock popular OEM and aftermarket Cooling and Climate Controls from top names
like Carquest Premium, Dorman, Imperial, and more.
Carquest Premium Cooling and Climate Controls
start at just $25.99 and boast an impressive 4.5 stars average rating from customers.
Dorman and Imperial also bring quality to the table, with Cooling and Climate Controls available starting at $24.99, and at an average 4.2 stars rating.
With 584 customer reviews and counting, our 2003 BMW 525i Cooling and Climate Controls have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Cooling and Climate Control upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 2003 BMW 525i is always ready to roll. We’re committed to providing you with everything you need to keep your 525i in top shape, all in one place.
Start shopping confidently below for your 2003 BMW 525i!
Best-Selling HVAC Electrical Parts for 2003 BMW 525is
Enhance the driving experience in your BMW with 5 quality HVAC Electrical Part components, starting at $43.99.
Dorman – Dorman Climate Control Panel, 599-124 (Part No.599-124)
from
$103.99
This climate control repair kit includes the components needed to restore the appearance of the dashboard HVAC controls without replacing the entire display. Made of quality materials, it’s engineered for proper fit and service.
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URO Parts – URO Parts Climate Control Button Set, Complete Faceplate, 64116915812 (Part No.64116915812)
from
$101.99
For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO Parts components are ideal for both professional and DIY vehicle repair, and are often the exclusive aftermarket alternative to overpriced €œGenuine€ components. By reducing deferred maintenance with URO Parts, you will increase the bottom line of your business. With its URO Premium line, A.P.A. offers problem-solving upgraded components that are superior to failure-prone OEM parts in design and/or materials. A.P.A. is so confident in the longevity and reliability of URO Premium products, they’re covered by an unlimited mileage, . URO Parts also specializes in accurate reproduction parts for classic vehicles, including a huge variety of items that are no longer available from the dealer.
See More
Carquest Premium – Carquest HVAC Heater Core Temperature Sensor, WTA2118 (Part No.WTA2118)
from
$57.99
The temperature of various systems must be reported to the engine control module (ECM) as well as other operating system controllers in the vehicle. Coolant temperature, cabin temperature, exhaust temperature and ambient temperature are just a few systems reported by a temperature sensor. The temperature sensor is fed 5 volts by the systems computer, within the sensor housing will be a thermistor, or dropping resistor whose resistance value will change as the temperature surrounding it changes. Changing resistance in the circuit will change the volt signal at the processor indicating the current operating value.
See More
NTK – NTK Ambient Air Temperature Sensor, AN0048 (Part No.AN0048)
from
$44.99
Building upon a foundation of premium full-line products established under NGK ignition and oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. is the only OE supplier with a full line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.
See More
Carquest Premium – Carquest HVAC Heater Core Temperature Sensor, WTA1967 (Part No.WTA1967)
from
$43.99
The temperature of various systems must be reported to the engine control module (ECM) as well as other operating system controllers in the vehicle. Coolant temperature, cabin temperature, exhaust temperature and ambient temperature are just a few systems reported by a temperature sensor. The temperature sensor is fed 5 volts by the systems computer, within the sensor housing will be a thermistor, or dropping resistor whose resistance value will change as the temperature surrounding it changes. Changing resistance in the circuit will change the volt signal at the processor indicating the current operating value.
See More
Most Popular 2003 BMW 525i Heating Parts
Customize your BMW with 4 Heating Parts products
like Heater Cores and
Heater Valves, all
priced under $227.99.
Motorad – Motorad HVAC Heater Control Valve: Includes Mounting Hardware, TA9099 (Part No.TA9099)
from
$227.99
MotoRad Coolant Control Valves are designed and tested to provide precise and quick coolant redirection for every application. Manufactured using the finest OEM approved materials and electrical isolation features for increased durability and safety in the most extreme temperatures and conditions. All MotoRad Coolant Control Valves are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.
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Carquest Premium – Carquest HVAC Heater Core, 910681 (Part No.910681)
from
$98.99
Carquest Premium heater cores use advanced engineering methods together with innovative manufacturing technology resulting in a product that meets or exceeds form, fit, and function.
See More
Carquest Premium – Carquest HVAC Heater Core, 910737 (Part No.910737)
from
$83.99
Carquest Premium heater cores use advanced engineering methods together with innovative manufacturing technology resulting in a product that meets or exceeds form, fit, and function.
See More
URO Parts – URO Parts Heater Valve, 64118369805 (Part No.64118369805)
from
$55.99
For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO Parts components are ideal for both professional and DIY vehicle repair, and are often the exclusive aftermarket alternative to overpriced €œGenuine€ components. By reducing deferred maintenance with URO Parts, you will increase the bottom line of your business. With its URO Premium line, A.P.A. offers problem-solving upgraded components that are superior to failure-prone OEM parts in design and/or materials. A.P.A. is so confident in the longevity and reliability of URO Premium products, they’re covered by an unlimited mileage, . URO Parts also specializes in accurate reproduction parts for classic vehicles, including a huge variety of items that are no longer available from the dealer.
See More
Top Picks for 2003 BMW 525i Air Conditioning Parts
Upgrade BMW 525is with top-quality Air Conditioning Parts parts, including 19 OEM and aftermarket selections for your 2003 model.
Certified A/C Pro – Certified A/C PRO Power Clean & Flush (1.06 lbs.) (CA Compliant), CA-1 (Part No.CA-1)
from
$19.99
Certified A/C Pro Power Clean and Flush Aerosol Cleaner. Aerosol flush for R134a and R12 auto Refrigerant air conditioning systems. Safely removed old oil and contaminants from the air condistion systems. Includes disposable dispensing hose. Biodegradable and environmentally friendly. Fast drying Pproduct includes installation hose.
See More
Carquest Premium – Carquest A/C Receiver Drier Mount Pad, T83070 (Part No.T83070)
from
$59.99
Carquest Accumulators and Receiver Driers are designed to store, filter and dry the air conditioning refrigerant to provide proper performance and durability for the air conditioning system. They are manufactured to meet or exceed original equipment specifications.
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Factory Air – Factory Air O-Ring & Gasket A/C System Seal Kit, 26772 (Part No.26772)
from
$31.49
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Factory Air.
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Factory Air – Factory Air Cap & Valve A/C System Seal Kit, 26784 (Part No.26784)
from
$58.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Factory Air.
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DENSO – DENSO A/C Compressor with Clutch – New, 471-1119 (Part No.471-1119)
from
$507.99
As one of the world’s largest OE suppliers of A/C compressors DENSO units are specified by most major vehicle manufacturers. DENSO First Time Fit A/C compressors are manufactured and tested to the strictest OE standards for unparalleled performance. At DENSO we bring together everything we know as an air conditioning systems manufacturer to bring you the highest quality line of factory-new compressors available. When it comes to new compressors you can’t do better than going with a unit manufactured by the OE supplier. At DENSO we know these units better than anyone because we originally designed them. Our compressors are built to meet DENSO’s unsurpassed reputation for technological superiority. You can relax knowing DENSO will give you the right part and the right fit the first time.
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Dorman – Dorman A/C Condenser Fan Assembly: with Controller, Cost Effective and Reliable, 620-904 (Part No.620-904)
from
$295.99
This A/C condenser fan assembly is precision-engineered to match the fit and performance of the stock condenser fan on specific vehicle years, makes and models. It has been rigorously tested to ensure it functions as effectively as the original part.
See More
Carquest Standard – Carquest Remanufactured Nippondenso 7SB16C Compressor with Clutch, DW77396 (Part No.DW77396)
from
$353.99
Remanufactured Compressors are built in a ISO9001:2015 Certified facility to ensure consistent quality standards in the Re-manufacturing process.
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Carquest Premium – Carquest A/C Expansion Valve, T38686 (Part No.T38686)
from
$52.99
Carquest Expansion Valves are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each expansion valve is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.
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Carquest Premium – Carquest A/C Replacement Kit, 2945K (Part No.2945K)
from
$495.99
Save time on installation with everything you need in one box for an air conditioning replacement. The Carquest Premium A/C Compressor and Component Kit includes the necessary compressor, accumulator/receiver drier, and orifice tube/expansion valve, along with the necessary O-rings, gaskets, and oil. The parts are manufactured with strict quality standards from Gilmore, a climate control partner to Advance Auto Parts for over 25 years.
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Carquest Premium – Carquest A/C Compressor, New, with Clutch, with 7SB16C Compressor, T9208329 (Part No.T9208329)
from
$438.99
Carquest New Compressors are designed, manufactured and tested to meet or exceed strict original equipment specifications for superior quality and performance. Each new compressor is tested to provide durable life to the vehicle’s air conditioning system. All new compressor components are assembled using state of the art equipment and techniques to ensure smooth operation. Each part is equipped with a clutch and connector that matches the original equipment part and provides an exact replacement to your vehicle’s part. All compressors are supplied with the necessary gaskets and o-rings for installation.
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Carquest Premium – Carquest A/C Condenser, 6673 (Part No.6673)
from
$158.99
The Carquest condenser is an integral component of the motor vehicle air conditioning system. This part condenses the refrigerant into a liquid to prepare it for entry into the compressor. The condenser is manufactured according to OEM design specifications to ensure a long life with quality performance. Exact design standards produce a seamless fit into the engine compartment.
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Carquest Premium – Carquest A/C Evaporator Core, T44030 (Part No.T44030)
from
$143.99
Carquest Evaporators are designed to remove heat from the air inside the passenger compartment of a vehicle resulting in cooler air temperatures. They are manufactured to meet or exceed original equipment specifications and are designed to easily fit into the engine compartment.
See More
Carquest Premium – Carquest A/C Evaporator Core, T44034 (Part No.T44034)
from
$116.99
Carquest Evaporators are designed to remove heat from the air inside the passenger compartment of a vehicle resulting in cooler air temperatures. They are manufactured to meet or exceed original equipment specifications and are designed to easily fit into the engine compartment.
See More
Carquest Premium – Carquest Air Conditioner Refrigerant Pressure Sensor, ABA1128 (Part No.ABA1128)
from
$85.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Sensor reports system pressures to the on-board computer, in turn allowing the computer to properly and efficiently control the compressor, fans and system levels. An improperly functioning A/C Pressure Sensor will provide erratic or inaccurate readings to on-board computers severely affecting system performance and function. Without reliable and accurate data from a properly functioning A/C Pressure Sensor, on-board computers are unable to protect the safety of critical components and the system as a whole which can lead to excessive wear and tear on critical components and costly system damage.
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KAI – KAI A/C Condenser, CNDDPI4993 (Part No.CNDDPI4993)
from
$84.99
New Platinum Pro A/C Condenser EXTERNAL SUPPLY>FDO>BACK ROOM-FDO>APPLICATION SPECIFIC from KAI
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Dorman – Dorman Air Conditioning Pressure Sensor, 904-611 (Part No.904-611)
from
$76.99
It could be as simple as the pressure switch. This replacement A/C transducer switch is the fix for corroded terminals or a broken connector on the original switch. A direct replacement to restore air conditioning.
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Carquest Premium – Carquest A/C Refrigerant Discharge Hose, T55334 (Part No.T55334)
from
$65.99
Carquest Hose Assemblies are designed to carry refrigerant in an air conditioning system. They are manufactured to meet or exceed original equipment specifications and are designed to easily fit into the engine compartment.
See More
Carquest Premium – Carquest Automatic Transmission Speed Sensor, SNA1182 (Part No.SNA1182)
from
$63.99
Carquest Premium vehicle speed sensors are designed to perform in harsh environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium vehicle speed sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Each vehicle speed sensor undergoes extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium speed sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
See More
Carquest Premium – Carquest A/C System Valve Core and Cap Kit, T26826 (Part No.T26826)
from
$22.99
Carquest A/C Accessories are designed for optimal performance to protect your air conditioning parts and systems from unwanted leaks. They are designed to seal each connection with premium quality material and exact measurements.
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In-Demand Blower Motor and Related Products for 2003 BMW 525is
Select from 5 premium Blower Motor and Related Products parts for your 2003 BMW 525i, with prices ranging from $32.49 to $154.99.
Carquest Premium – Carquest HVAC Blower Motor Resistor, RUC1104 (Part No.RUC1104)
from
$131.99
Blower motor resistor fail- Restore proper heating and cooling functionality with this direct replacement resistor designed to match the operation and performance of the original equipment.
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Carquest Premium – Carquest Blower Motor: with Wheel, 75011 (Part No.75011)
from
$154.99
Carquest Premium Blower Motors are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix it right with Carquest Premium Blower Motors. Meets or exceeds OE design. Magnetic size and properties compare or exceed OEM. Windings meet or exceed OEM Specifications. Motor RPM equivalent to or exceeds OEM motor.
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Dorman – Dorman Blower Motor Resistor Harness, 645-735 (Part No.645-735)
from
$73.99
This blower motor resistor connector is designed to replace an original equipment connector damaged by corrosion or overheating. Corrosion-resistant terminals ensure reliable performance.
See More
Dorman – Dorman HVAC Blower Motor Resistor, 984-430 (Part No.984-430)
from
$113.99
Restore proper heating and cooling functionality with this direct replacement resistor designed to match the operation and performance of the original equipment on certain vehicles.
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URO Parts – URO Parts Blower Motor Resistor, Resistor Pack W/ Atc For Models With Automatic Hvac System, 64116923204 (Part No.64116923204)
from
$32.49
For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO Parts components are ideal for both professional and DIY vehicle repair, and are often the exclusive aftermarket alternative to overpriced €œGenuine€ components. By reducing deferred maintenance with URO Parts, you will increase the bottom line of your business. With its URO Premium line, A.P.A. offers problem-solving upgraded components that are superior to failure-prone OEM parts in design and/or materials. A.P.A. is so confident in the longevity and reliability of URO Premium products, they’re covered by an unlimited mileage, . URO Parts also specializes in accurate reproduction parts for classic vehicles, including a huge variety of items that are no longer available from the dealer.
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Most Sold 2003 BMW 525i Engine Cooling Parts
Explore our best-selling BMW parts for the 2003 525i among 54 OEM and aftermarket options starting from $1.99.
Imperial – Imperial Adjustable Thermostatic Fan Control, 226203 (Part No.226203)
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$24.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
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Dorman – Dorman Pressurized Coolant Reservoir: Black, Plastic, Original Equipment Replacement, 603-536 (Part No.603-536)
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$91.99
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part.
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Carquest Premium – Carquest Integrated Thermostat Housing: With Sensor, With Seal, 207 Degrees, 14602 (Part No.14602)
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$88.99
Carquest Premium Integrated Housing Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This integrated thermostat housing will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant as well as the design and function of the housing. Offset design, air relief valve, and OEM style seals included where applicable.
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Beck/Arnley – Beck/Arnley New Water Pump, 131-2130 (Part No.131-2130)
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$82.99
Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.
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Carquest Premium – Carquest Engine Water Pump_New, T1169 (Part No.T1169)
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$77.99
This premium water pump uses new high-quality components and is designed to meet or exceed OE specifications. This pump is 100% tested to ensure quality. Bearings, gaskets, seals, impeller, hub and housing are all designed for long-lasting service life. All necessary gaskets and seals are included.
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Carquest Premium – Carquest Radiator Cap: 30 PSI, 10247 (Part No.10247)
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$25.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.
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Imperial – Imperial Adjustable Thermostatic Fan Control, 226204 (Part No.226204)
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$70.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
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Imperial – "Imperial Electric Fan, 10"" Diameter, 226110" (Part No.226110)
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$81.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
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Dorman – Dorman Coolant Air Bleeder Screw, 902-404 (Part No.902-404)
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$6.99
This engine coolant bleeder screw has been manufactured from durable material to prevent cooling system leaks. Matches the original screw for fit and function.
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Carquest Premium – "Carquest Standard Duty Fan Clutch – Thermal 6"" Import/Compact, 215024" (Part No.215024)
Imperial – Imperial Thermostatic Fan Control – Preset, 226206 (Part No.226206)
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$46.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
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Imperial – Imperial Thermostatic Fan Control – Adjustable, 226208 (Part No.226208)
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$71.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
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Carquest Premium – Carquest Radiator, 432526 (Part No.432526)
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$207.99
Reach Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Reach Radiators meet or exceed original equipment specifications, ensuring that products fit and perform just as well or better than the original parts, providing you peace of mind.
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Dorman – Dorman Brass Coolant Air Bleeder Screw (OE Fix), 902-404HP (Part No.902-404HP)
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$8.99
On certain BMW, Mini, Chrysler, Dodge, Jeep, and Ram vehicles, the original equipment engine coolant bleeder screw is made of plastic. Over time and during normal service, the head of the plastic screw deforms, becomes difficult to turn, and inevitably requires replacement. This Dorman OE FIX coolant air bleeder screw is made of brass to resist deforming during service, saving the expense of replacing the original screw with the same failure-prone plastic design.
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Carquest Premium – Carquest Coolant Temperature Sensor 1TS1015, WTC1038 (Part No.WTC1038)
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$28.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
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Dorman – Dorman Engine Water Pump Pulley, 300-394 (Part No.300-394)
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$62.99
Damaged your engine water pump pulley This pulley is a direct replacement for the original manufacturer’s part on specific vehicle years, makes and models, restoring proper performance.
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KAI – KAI Radiator, RAD2284 (Part No.RAD2284)
Carquest Premium – Carquest Engine Coolant Level Sensor, FFA1003 (Part No.FFA1003)
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$32.99
The engine cooling system is critical to engine sustainability under all operating conditions. The Coolant Level Sensor reports the level of coolant either in the radiator overflow container or in the radiator tank.
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Dorman – Dorman Clutch Fan Blade: Plastic, Cost Effective and Reliable, 621-584 (Part No.621-584)
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$92.99
Replace your damaged cooling fan blade with this direct replacement. This vehicle-specific application is engineered for a perfect fit and is made from quality materials to ensure durability and restore proper cooling system operation.
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MAHLE Original – MAHLE Original Engine Coolant Pipe O-Ring, C32348 (Part No.C32348)
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$1.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
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KAI – KAI Radiator Fan Shroud For Models With Inline 6-Cylinder Engine, BM3110103 (Part No.BM3110103)
KAI – KAI Coolant Reservoir, BM3014103 (Part No.BM3014103)
Carquest Premium – Carquest Coolant Temperature Sensor 1TS1036, WTC1142 (Part No.WTC1142)
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$32.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
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Rein – Rein Coolant Pipe, CHP0567 (Part No.CHP0567)
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$60.99
Rein Automotive OE quality coolant pipes fit European vehicles the way the original manufacturer intended. Designed to be a direct replacements for the OE coolant, Rein coolant pipes are identical to the OEM.
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Top-Rated Cooling and Climate Controls Brands For Your 2003 BMW 525i
Shop for the best-rated brands offering Cooling and Climate Controls and other products for your 2003 BMW 525is. Below you’ll find some of our best rated Cooling and Climate Controls from Carquest Premium, Dorman, and Imperial, and more. Cooling and Climate Controls from these brands that fit a 2003 525i start at just $24.99 and are rated as high as 4.5 stars. OEM and aftermarket Cooling and Climate Controls don’t get more top quality, durable, and affordable than from the brands below.
Popular Carquest Premium 2003 BMW 525i Cooling and Climate Controls
When it comes to maintaining or upgrading your 2003 BMW 525i, using quality Cooling and Climate Controls is essential to ensure durability and a perfect fit. Carquest Premium ticks all of those boxes. We offer a wide selection of Carquest Premium Cooling and Climate Controls, specifically designed for the 2003 BMW 525i. With over 3 Carquest Premium brand Cooling and Climate Controls in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $25.99, with an average price of just $64.32. Plus, with over 93 customer reviews and an average rating of 4.5 stars, you can trust that our Carquest Premium Cooling and Climate Controls will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
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$88.99
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Carquest Integrated Thermostat Housing: With Sensor, With Seal, 207 Degrees, 14602
“Exact fit easy to install .”
Popular Dorman 2003 BMW 525i Cooling and Climate Controls
Dorman auto parts is one of the highest quality Cooling and Climate Control brands in the market. Any 2003 BMW 525i owner should feel confident when installing genuine Dorman parts in their vehicle. To ensure the best fit and performance for your 2003 525i, Advance Auto Parts carries a full inventory of 1 Dorman Cooling and Climate Controls. Plus you will be keeping your BMW in peak condition while saving money because prices on these Dorman Cooling and Climate Controls range up to $91.99, plus, with more than 1 customer reviews and an impressive 4.2 stars average rating, you can be confident the Fram Cooling and Climate Controls below will deliver on both quality and value.
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$91.99
(1)
Dorman Pressurized Coolant Reservoir: Black, Plastic, Original Equipment Replacement, 603-536
“Easy install!!'”
FAQs for 2003 BMW 525i Cooling and Climate Controls
Which Cooling and Climate Controls are best-sellers for 2003 BMW 525is?
Out of 87 Cooling and Climate Controls that fit 2003 BMW 525is, the following parts are the top sellers:
- Certified A/C PRO Power Clean & Flush (1.06 lbs.) (CA Compliant), CA-1 (7010021) – $19.99
- Imperial Adjustable Thermostatic Fan Control, 226203 (6016936) – $24.99
- Imperial Adjustable Thermostatic Fan Control, 226204 (3670006) – $70.99
What’s the price range for 2003 BMW 525i Cooling and Climate Controls?
Cooling and Climate Control prices for the 2003 BMW 525i start at $1.99 and go up to $507.99 for the most premium parts.
What’s the average price of a Cooling and Climate Control for a 2003 BMW 525i?
The average price for Cooling and Climate Controls for the 2003 BMW 525i is $94.85. Keep in mind the variety of part types within our Cooling and Climate Control category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Cooling and Climate Controls for other BMW 525i model years?
What are the cheapest Cooling and Climate Controls for my 2003 BMW 525i?
The cheapest 2003 BMW 525i Cooling and Climate Controls we carry in stock are:
- MAHLE Original Engine Coolant Pipe O-Ring, C32348 (10307427) – $1.99
- MAHLE Original Water Pump O-Ring, K32355 (10308212) – $2.49
- Victor Reinz Engine Coolant Pipe O-Ring, 41-10451-00 (12547990) – $2.99
- Rein Bleeder Screw Remanufactured, CHW1575 (50167232) – $4.99
- URO Parts Expansion Tank Cap, 17111712669 (50190344) – $5.99
What are the top-rated Cooling and Climate Controls that fit the 2003 BMW 525i?
Out of 584 reviews by customers, our 2003 BMW 525i Cooling and Climate Controls have an average customer rating of . These are some of the highest-rated Cooling and Climate Control types for the 2003 BMW 525i and their top-rated products:
- Engine Cooling Parts
- Imperial Adjustable Thermostatic Fan Control, 226203 (6016936) – $24.99
- Dorman Pressurized Coolant Reservoir: Black, Plastic, Original Equipment Replacement, 603-536 (10029422) – $91.99
- Beck/Arnley New Water Pump, 131-2130 (18031398) – $82.99
What types of Cooling and Climate Controls do you sell for my 2003 BMW 525i?
As of 8/2/26, these are some of the most in-demand types of Cooling and Climate Controls for a 2003 BMW 525i:
Can I get help with 2003 BMW 525i Cooling and Climate Control orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about BMW Cooling and Climate Controls and more.
What is your return policy for BMW 525i Cooling and Climate Controls?
Advance Auto Parts keeps returns simple. For new BMW 525i Cooling and Climate Controls and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
