2003 BMW 525i Cooling and Climate Controls

Essential 2003 BMW 525i Cooling and Climate Controls

Corteco – Water Pipe O-Ring (Part No.G2026279597CFW)

Water Pipe O-Ring

from

$1.32
Water Pipe O-Ring

Behr – Expansion Tank Cap (Part No.G1040458946BEH)

Expansion Tank Cap

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$23.33
The Behr Expansion Tank Cap is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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Motorad – Integrated Thermostat Housing: With Sensor, 207 Degrees (Part No.568-207)

Integrated Thermostat Housing: With Sensor, 207 Degrees

from

$155.99
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.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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Rein – Water Pump Pulley (Part No.G30201334748RIN)

Water Pump Pulley

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$57.03
Water Pump Pulley

MTC – Radiator Mount Bracket (Part No.G1021162870MTC)

Radiator Mount Bracket

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$3.27
MTC develops and manufactures high quality OE specified polyurethane mounts, bushings and undercar components to the spare parts industry.
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Carquest Premium – AC Pressure Sensor (Part No.ABA1128)

AC Pressure Sensor

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$85.99
The Premium CarQuest Vehicle Solutions 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.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Sensor.
  • All units are helium leak tested on fully automated mass spectrometer equipment before end-of-line testing.
  • All units are tested using automated end-of-line testing equipment that pressurizes the A/C Pressure Sensor and checks full-spectrum functionality and electrical output to ensure each A/C Pressure Sensor meets manufacturing specifications before packaging
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Dorman – A/C Condenser Fan Assembly: With Controller, Cost Effective And Reliable (Part No.620-904)

A/C Condenser Fan Assembly: With Controller, Cost Effective And Reliable

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$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.

Product Features:
  • Ideal replacement – this air conditioner condenser fan assembly is engineered to match the fit and performance of the stock condenser fan on specific vehicles
  • Complete package – assembly is designed with the same materials and components as the original part
  • Quality assured – components are tested in laboratory settings to ensure performance
  • Cost effective and reliable – trustworthy manufacturing for far less than same part at the dealership
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Dorman – Brass Coolant Air Bleeder Screw (Part No.902-404HP)

Brass Coolant Air Bleeder Screw

from

$8.79
This engine coolant bleeder screw has been manufactured from durable material to prevent cooling system leaks. Matches the original screw for fit and function.

Product Features:
  • Upgraded material – this brass coolant air bleeder screw reduces future maintenance costs by replacing the original equipment plastic screw on specified BMW, Mini, Chrysler, Dodge, Jeep, and Ram vehicles
  • Ideal solution – instead of wasting time wrestling with a deformed plastic screw head, this sturdy brass screw ensures easy, reliable removal and reuse
  • Durable construction – made of quality brass for reliable performance and long service life
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – Engine Coolant Integrated Thermostat Housing (Part No.85955)

Engine Coolant Integrated Thermostat Housing

from

$132.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Meets and/or exceeds OEM standard
  • Includes quality gasket or O-ring  to ensure proper seal (where applicable
  • Coated with corrosion and rust inhibitor
  • 100% leak tested
  • All-in-one bolt on solution for a complete repair
  • Includes quality thermostat
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APA/URO Parts – Climate Control Button Set (Part No.R2023319848APA)

Climate Control Button Set

from

$138.44
Climate Control Button Set

Vaico – Fan Shroud Rivet (Part No.G502575975VCO)

Fan Shroud Rivet

from

$1.27
Fan Shroud Rivet

Carquest Premium – A/C Discharge Line Hose Assembly (Part No.T55380)

A/C Discharge Line Hose Assembly

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$83.99
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.

Product Features:
  • 100% of hose assemblies use Goodyear hoses that meet original equipment specifications for wall thickness and permeation.
  • Tubes and mufflers are designed to meet original equipment specifications for wall thickness.
  • Fittings are designed to couple and seal to eliminate leaks. Trivalent plating is used on steel fittings to enhance corrosion resistance. The fittings conform to original equipment specifications to allow for the proper fit with related air conditioning
  • Welds and crimps meet and exceed original equipment tension specifications.
  • Manufactured to allow flexibility in the hose to conform to engine compartments.
  • O-Rings necessary for installation are included.
  • O-Rings necessary for installation are included.
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Permatex – The Right Stuff: Grey, 1 Minute Gasket Maker, 10 OZ (Part No.34310)

The Right Stuff: Grey, 1 Minute Gasket Maker, 10 OZ

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$38.99
Permatex’s The Right Stuff 1 Minute Series offers the fastest return to service in just 1 minute! This leak-proof, elastomeric “Formed-in-place” material is more reliable and longer lasting than pre-cut gaskets. It is blowout resistant and protects against leaks and seepage caused by vibration and thermal expansion. The Right Stuff 1 Minute Grey is specified for high torque and high vibration applications and is formulated to meet or exceed performance standards for long-term sealability, durability and handling.

Product Features:
  • Designed to perform under higher torque loads associated with engines having closely spaced bolt patterns
  • Sensor-safe, non-corrosive, RTV silicone
  • Protects against leaks caused by vibration and thermal expansion
  • Meets performance specs of OE silicone gaskets
  • Quickly returns vehicle to service in just 1 minute
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Carquest Premium – Coolant Reservoir Cap: T65, Threaded, Direct Fit, Provides Tight Seal, 1 Pack (Part No.T65)

Coolant Reservoir Cap: T65, Threaded, Direct Fit, Provides Tight Seal, 1 Pack

from

$30.49
Coolant Reservoir Cap: T65, Threaded, Direct Fit, Provides Tight Seal, 1 Pack

Rein – Rein Expansion Tank Hose (Part No.G203076002RIN)

Rein Expansion Tank Hose

from

$20.09
Designed to be direct replacements for OE hoses and assemblies, Rein hoses are identical, from the size and shape of their branches to the thermoplastic quick connect fittings when called for by the original manufacturer. Rein hose systems, feature integrated thermoplastic couplings, O-ring seals, and multiple connections that branch out to various engine components. Rein Automotive hoses are designed to fit just like the OE hose. No more cutting hoses to fit or repurposing old quick connect fittings.

Product Features:
  • Direct OE replacement for European cars
  • Integrated thermoplastic couplings and O-ring seals
  • Designed to go directly from the shelf to the vehicle. No cutting is ever needed
  • All cooling-water hose inner linings are resistant to electrochemical cracking
  • high strength and resistance to oil, mud, salt, road debris, and ozone
  • Resistance to distilled water and water ethylene glycol mixtures
  • Resistance to air temperatures of up to 135C
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Carquest Premium – HVAC Blower Motor Resistor (Part No.RUA1772)

HVAC Blower Motor Resistor

from

$99.99
Carquest premium direct replacement resistors are designed to match the operation and performance of the original equipment to restore the proper heating and cooling functionality.

Product Features:
  • Restores Functionality- Manufactured to original equipment specifications to restore full HVAC operation
  • Original equipment quality – Carquest blower motor resistors meet the high quality material standards and tolerances as the original equipment
  • Complete kit – Each kit includes the resistor, connector, and splice connectors to complete the job
  • Direct replacement – Carquest blower motor resistor kits are a direct replacement to the original equipment resistor
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Imperial – Electric Fan – 10" Diameter (Part No.226110)

Electric Fan - 10" Diameter

from

$67.99
Electric fan with 10″ diameter. Imperial electric fans are reversible for push or pull operation and are designed with a thin, aerodynamic profile for applications with limited space.

Product Features:
  • Rapid-Cool® Thin-Line electric fans
  • 10″ Diameter
  • 650 CFM
  • Use as a pusher or puller fan
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Febi – Heater Valve (Part No.R3020177024FEB)

Heater Valve

from

$178.50
Heater Valve

Carquest Premium – A/C Filter Drier w/ Pad Mount (Part No.T83070)

A/C Filter Drier w/ Pad Mount

from

$45.99
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.

Product Features:
  • All parts meet or exceed original equipment standards for moisture absorption, pressure and temperature resistance, air tightness, vibration resistance, corrosiveness, and pulse pressure.
  • Desiccant is 100% tested and assembled in a controlled environment to ensure performance meets or exceeds original equipment standards.
  • All accumulators and receiver driers are helium leak tested prior to packaging.
  • O-Rings necessary for installation are included.
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Rein – Coolant Pipe (Part No.CHP0597)

Coolant Pipe

from

$64.99
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.

Product Features:
  • Designed as direct-fit replacements to ensure trouble-free proper installation.
  • Made to strict engineering quality standards.
  • Part is produced using only the highest quality materials.
  • Resistant to heat, salt, road debris, oil and other contaminants.
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ACM – Heater Temp Sensor (Part No.R3037273378ACM)

Heater Temp Sensor

from

$25.82
ACM is a supplier of Original Equipment quality climate control products.
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Carquest Premium – Temperature Sender With Gauge (Part No.WTC1279)

Temperature Sender With Gauge

from

$15.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
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KAI – A/C Compressor, L6 Engine (Part No.ACP011470)

A/C Compressor, L6 Engine

from

$414.99
New Standard Replacement A/C Compressor, L6 Engine

Product Features:
  • L6 Engine
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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Factory Air – Cap & Valve A/C System Seal Kit (Part No.26784)

Cap & Valve A/C System Seal Kit

from

$54.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • All the seals needed to complete the job
  • Compatible with both R12 and R134a refrigerants
  • SUV and rear air applications
  • Application specific
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DENSO – First Time Fit A/C Conr (Part No.R1030273085ND)

First Time Fit A/C Conr

from

$221.56
Like all DENSO First Time Fit® A/C components, our condensers are designed and manufactured to integrate seamlessly with the vehicle’s original air conditioning system. DENSO condensers match up to OE condensers at every benchmark. Multiflow, subcooling, and the latest Ssrpentine condenser styles are offered to provide the optimum configuration for each application. Premium aluminum construction improves reliability, resisting corrosion to avoid expensive system leaks, while the superior fin wave design offers higher heat transfer and maximum refrigerant condensation. Heat exchanger cores are specially designed to shed airborne material buildup, allowing the A/C system to operate at peak efficiency with minimal maintenance, assuring years of trouble-free service.

Product Features:
  • Zinc diffusion layer improves corrosion resistance
  • Unique fin design to minimize airflow blockage
  • High performance design reduces the required compressor power
  • System Efficiency: Superior fin waves provide a higher heat transfer coefficient and full condensation.
  • Engineered to Perfection: OE quality engineered for unparalleled performance
  • Exact Fit: Condensers install with speed and ease
  • Reduces required compressor power, resulting improved fuel economy
  • Restores A/C performance to as-new condition
  • First Time Fit® assures bolt-in replacement; no brackets or adapters
  • Greater Durability: Pure aluminum construction provides greater resistance for corrosion
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Carquest Premium – Heater Core (Part No.394221)

Heater Core

from

$69.99
Carquest Premium offers a complete line of automotive heater cores covering 94% of all North American vehicle applications. Carquest Premium provides value in several ways, including increased thermal performance and resistance to corrosion using enhanced design features, such as the latest fin and tube technology and design standardization for maximum availability. Carquest Premium offers certified heater cores that meet or exceed OE specifications and are all fitment checked in the actual vehicle’s HVAC heater module and are, thus, ready to be installed right out of the box for a “Drop-In Fit”. Carquest Premium heater cores are engineered and manufactured under ISO TS16949 quality systems and are 100% leak tested.

Product Features:
  • All heater cores are designed and tested to match or exceed OE specifications for form, fit and performance with a clear focus on obtaining the highest heat transfer performance possible through use of quality materials and manufacturing processes to ensu
  • Carquest Premium heater cores are engineered and manufactured under ISO TS16949 quality systems and are 100% leak tested.
  • Provides value in several ways, including increased thermal performance and resistance to corrosion using enhanced design features, such as the latest fin and tube technology and design standardization for maximum availability.
  • Carquest Premium offers a complete line of automotive heater cores covering 94% of all North American vehicle applications.
  • Our advanced engineering methods coupled with our innovative manufacturing technology provides products to the aftermarket that meet or exceed form, fit, and function of OEM Parts
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Bosch – ABS Speed Sensor (Part No.N6030158223BOS)

ABS Speed Sensor

from

$103.16
The Bosch OE quality ABS speed sensor is engineered to the exact specifications of the vehicle manufacturer to ensure the replacement sensor is the same in quality and function as the part installed as original equipment.

Product Features:
  • OE quality direct fit application
  • Manufactured to meet or exceed OE requirements and testing
  • Ground-isolated design with two-wire shielded harness helps protect the sensor signal from electro-magnetic interference
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Popular 2003 BMW 525i Cooling and Climate Controls Categories

2003 BMW 525i Cooling and Climate Controls

You count on your 2003 BMW 525i to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Cooling and Climate Controls. With 113 Cooling and Climate Controls ranging in price from $1.24 to $489.99, you’re sure to find everything you need for your 2003 BMW 525i.

Brands matter. If you want to shop a specific Cooling and Climate Controls brand, we stock 34 different brands like Permatex, Carquest Premium, and Imperial. 2003 BMW 525i Cooling and Climate Controls start as low as $1.24!

One of the best ways to find top quality OEM or aftermarket Cooling and Climate Controls is by asking professionals. Short of that, you can shop with confidence thanks to our 1,230 extensive product reviews on 2003 BMW 525i Cooling and Climate Controls. Some of the top-rated Cooling and Climate Controls products we carry are Adjustable Thermostatic Fan Control with 3.4 stars and Radiator Cap: 30 PSI with 4.1 stars.

Did we mention you can order your Cooling and Climate Controls from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Cooling and Climate Controls inventory for your 2003 BMW 525i below to get started!

Top-Rated Cooling and Climate Controls Brands For Your 2003 BMW 525i

Trusted Cooling and Climate Controls OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 BMW 525i running right for years to come. In our inventory you’ll find brands like Permatex, Carquest Premium, Imperial, and even more.

Popular Behr Cooling and Climate Controls

You’ll find popular Behr brand products across Engine Cooling Parts. All are waiting to get your 2003 BMW 525i back on the road. Some of the top-rated Behr products in these categories are:
Radiator
from $282.44
(1)
Radiator
Radiators

Top-Rated Permatex Cooling and Climate Controls


If Permatex are what you’re looking for, our inventory holds plenty. We stock Permatex brand Cooling and Climate Controls for your 2003 BMW 525i, and some of our most reviewed Permatex parts include:
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
from $6.99
(288)
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
Engine Water Pump Inlet Pipe Gaskets
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
from $11.49
(95)
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
Water Pump Housing Gaskets
Sensor-Safe, High Torque RTV Silicone Gasket Maker
from $6.99
(9)
Sensor-Safe, High Torque RTV Silicone Gasket Maker
Engine Water Pump Inlet Pipe Gaskets

FAQs for 2003 BMW 525i Cooling and Climate Controls

What are the most purchased Cooling and Climate Controls for the 2003 BMW 525i?

Out of 113 Cooling and Climate Controls for the 2003 BMW 525i, the most popular in our inventory are:
Engine Water Pump: New, Gasket/Seals Included
from $78.99
(32)
Engine Water Pump: New, Gasket/Seals Included
Water Pumps
Integrated Thermostat Housing: With Sensor, With Seal, 207 Degrees
from $73.99
(47)
Integrated Thermostat Housing: With Sensor, With Seal, 207 Degrees
Thermostat and Water Outlet Assemblies
Adjustable Thermostatic Fan Control
from $22.99
(35)
Adjustable Thermostatic Fan Control
Engine Cooling Fan Controllers

What are the top-rated 2003 BMW 525i Cooling and Climate Controls?

Top-rated Cooling and Climate Controls for your 2003 BMW 525i based on customer reviews/ratings are:
Adjustable Thermostatic Fan Control
from $55.99
(33)
Adjustable Thermostatic Fan Control
“If you read the instructions it’s pretty self explanatory.”
Radiator Cap: 30 PSI
from $23.99
(14)
Radiator Cap: 30 PSI
“Fit my 2004 BMW 330xi. Came as described.”
Electric Fan - 10" Diameter
from $67.99
(14)
Electric Fan – 10" Diameter
“So, the Air Conditioner Condenser fan motor failed on my 2003 Dodge Ram 1500. It turns out that the 2002 – 2005 Rams all use the same AC Condenser fa”