BMW 525i Belts and Hoses

Essential BMW 525i Belts and Hoses

Vaico – Idle Control Valve H (Part No.C4031267942VCO)

Idle Control Valve H

from

$30.69
Idle Control Valve H

Dayco – Flex Radiator Hoses; EPDM Rubber, 13.88 Inch Long, 1.5 Inch Inner Dia. (Part No.81151)

Flex Radiator Hoses; EPDM Rubber, 13.88 Inch Long, 1.5 Inch Inner Dia.

from

$19.49
The Dayco flex radiator hose replaces straight or molded radiator hoses on a wide range of engine applications. Precision molded in standard lengths, it features a knitted reinforcement and synthetic EPDM construction. This hose is designed to prevent spl

Product Features:
  • Designed to meet OE specifications
  • Not suitable for oil or heat transfer
  • Meets SAE J20R4, Class D-2 requirements for improved service hoses
  • This hose is designed to prevent splitting, ballooning, and elongation
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CRP – Clamp – Hose (Part No.4I10077375CRP)

Clamp - Hose

from

$3.83
Clamp – Hose

Dayco – Serpentine Idler/Tensioner Pulley; Direct Fit, 70 mm Diameter, 24.5 mm Smooth (Part No.89046)

Serpentine Idler/Tensioner Pulley; Direct Fit, 70 mm Diameter, 24.5 mm Smooth

from

$56.99
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong plastic pulleys with specially formulated glass-filled polymers that resist wear and tear. Premium lubricated ball bearings and double high temperature seals ensure peak bearing performance, the most critical element of a pulley’s service life.

Product Features:
  • Designed for the majority of automotive vehicle applications on the road today
  • High-quality materials help resist wear and improve belt life
  • Features premium lubricated bearings to extend service life
  • Meets or exceeds OE quality
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Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 13" Long, 1.44" Diameter (Part No.C71266)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 13" Long, 1.44" Diameter

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$16.99
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.

Product Features:
  • Meets SAE J20R4, Class D-1 requirements
  • Meets Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Provides excellent protection against external elements
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999067A)

Serpentine Belt Tensioner: 1 Piece

from

$69.99
This Litens hydraulic actuator is manufactured by the Original Equipment (O.E.) supplier of this popular BMW tensioner component. This “O.E. Exact”* part for the aftermarket meets all original equipment form, fit, and function specifications. *(O.E. Exact – Original Equipment manufacturers prohibits the use of their part number or logo on parts sold to other customers. Therefore, the Litens aftermarket part may have minor cosmetic differences but still be exact in performance and design). Note: Both the original part removed and this replacement hydraulic actuator are made in Germany. Caution: A low quality hydraulic actuator may leak causing damage to the belt drive system. For best results always use an OE quality actuator. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket._

Product Features:
  • Manufactured by the original equipment part supplier to ensure proper form, fit and performance
  • Hydraulic tensioning technology
  • Installation instructions included.
  • No Tensioner or pulley Included
  • Professional Mechanics will change this tensioner in approx. 20 minutes to 1 hour.
  • Due to the fact that belts and tensioners have similar Original Equipment “design life targets”, it is often a best practice to replace the belt tensioner when replacing a worn or broken belt. Belt removal is required to change the tensioner. Therefore, d
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Rein – Heater Pipe Line (Part No.R3055279112RIN)

Heater Pipe Line

from

$43.29
Heater Pipe Line

Rein – Belt Tensioner Bolt (Part No.HWB0036)

Belt Tensioner Bolt

from

$19.99
Rein Automotive bolt and hardware kits are manufactured with premium materials and are direct replacements for the OE. Kits include all necessary bolts to complete a specific repair.

Product Features:
  • Includes all the bolts needed to complete the job.
  • Designed as direct-fit replacements to ensure trouble-free proper installation.
  • Manufactured to strict engineering standards and specifications for materials and tolerances.
  • Restores the vehicle to safe and optimal performance levels.
  • Aluminum bolts are torque to yield and must be replaced once they are removed.
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Rein – WATER HOSE (Part No.CHE0154)

WATER HOSE

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$28.99
Rein Automotive OE quality coolant hoses fit European vehicles the way the original manufacturer intended. Designed to be direct replacements for OE hoses and hose assemblies, Rein hoses are identical to the OEM, from the size and shape of their branches to the thermoplastic quick connect fittings.

Product Features:
  • Reduces installation time.
  • No cutting, refitting or adjusting the hose.
  • Prevents leaks and comebacks from reusing old quick connectors and o-rings.
  • Resistant to heat, salt, road debris, oil and other contaminants.
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INA – INA Accessory Belt Idler Pulley (Part No.G6020299512INA)

INA Accessory Belt Idler Pulley

from

$38.90
The INA Accessory Belt Idler Pulley is a direct fit OEM replacement that contains the same high quality craftsmanship as the original equipment it replaces.

Product Features:
  • OE-Equivalent and a direct fit application.
  • Precision bearing
  • OE High quality pulley assembly
  • Durable long life performance.
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Vaico – Vaico Heater Hose (Part No.R3030283472VCO)

Vaico Heater Hose

from

$40.26
Vaico engine cooling products are designed and manufactured to exceed original equipment (OE) specifications and are engineered to operate in the highly-stressful environment of today’s higher performance cooling systems. The Vaico line of cooling system hoses are designed to meet OE standards and are subjected to rigorous quality and performance tests.

Product Features:
  • Quick connector made in Germany
  • 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 125C
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Rein – Rein Radiator Hose (Part No.G2000278754RIN)

Rein Radiator Hose

from

$74.15
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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Elaplast – Vacuum Hose (Part No.B2020396050ELA)

Vacuum Hose

from

$12.94
Vacuum Hose

Rein – Oil Separator Hose (Part No.B2019269910RIN)

Oil Separator Hose

from

$68.56
This OE quality return hose is vehicle specific and designed to be a direct replacement for the original components. These links properly connect the sway bar to the vehicles chassis. Rein automotive products provide you with the proper fit, form and function for European vehicles. With fitments for some of the world’s finest automobiles, including Audi, BMW, Mercedes Benz, Mini, Porsche, Saab, Volkswagen, and Volvo, all Rein Automotive genuine replacement parts are guaranteed original manufacturer quality. Every part is manufactured with top quality materials to ensure it has the same tolerances as the part that came on the car to provide ease of installation and long lasting durability.

Product Features:
  • Original Equipment fit, form and function
  • Manufactured from premium raw materials
  • Premium OE design
  • Right fit the first time
  • For European vehicles
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Dorman – Help – Crankcase Vent Hose (Part No.46044)

Crankcase Vent Hose

from

$30.99
Proper crankcase ventilation is key to smooth performance and engine longevity. Made from quality materials to resist cracking and brittleness, this PCV hose replaces a worn or leaking original equipment hose.

Product Features:
  • Ideal replacement – this PCV tubing replaces the original hose on specified vehicle years, makes and models
  • Durable materials – this PCV hose is designed to withstand exposure to extreme temperatures and oil vapors to resist cracking and leaking
  • Cost-effective solution – offers original equipment quality at a competitive price
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and long service life
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Elring – Water Pump O-Ring (Part No.G3059279771ELR)

Water Pump O-Ring

from

$3.97
Water Pump O-Ring

INA – A/C Belt Tensioner (Part No.R108831911INA)

A/C Belt Tensioner

from

$90.19
A/C Belt Tensioner

ContiTech – Multi Rib (Serpentine) Belt (Part No.W100056320CON)

Multi Rib (Serpentine) Belt

from

$20.99
ContiTech Serpentine Belts come in a wide range of sizes and are designed to be oil-resistant and temperature-stable from -22F to 176F (-30C to 80C). ContiTech Serpentine Belts deliver 98% power efficiency. While a lower profile design easily handles higher engine revs, reducing noise and providing cooler running temperatures. High performance construction features include polychloroprene rubber cover and body, polyester fiber tensile members, and a ribbed belt design. Installation Note: The manufacturer recommends checking and/or replacing idler and tensioner bearings when replacing the serpentine belts

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • Resistant against wear, oil and heat.
  • Temperature-stable from -22F to 176F (30C to 80C).
  • Delivers over 98% power efficiency.
  • High performance construction.
  • Polychloroprene rubber cover and body.
  • Polyester fiber tensile members and a ribbed belt design.
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Litens – Serpentine Belt Tensioner Kit: Includes Belt, Tensioner, and any applicable Idler Pulleys (Part No.LV999141A)

Serpentine Belt Tensioner Kit: Includes Belt, Tensioner, and any applicable Idler Pulleys

from

$149.99
This Litens Serpentine Belt Drive Component Kit fits 1999-2006 BMW 320i, 325Ci, 325i, 325xi, 330Ci, 330i, 525i, X3, Z3 w/2.2/2.5/3.0L. These kits make it easy to maintain your entire front end accessory drive system. Eliminate the need to search for individual parts by purchasing this all-in-one solution. Front end accessory drives require maintenance at specific intervals, and parts should be replaced as part of your regularly scheduled tune-up to ensure your vehicle is at its best. Each kit contains a Litens belt tensioner, Bando serpentine belt, and any necessary idler pulley(s). All required hardware is included for the installation . Application specific instructions are also conveniently included. All parts meet or exceed OE fit, function, and performance. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Driveworks – Poly Rib Belt Serpentine Belt; 34.06 Long, 5 Rib Count (Part No.340K5)

Poly Rib Belt Serpentine Belt; 34.06 Long, 5 Rib Count

from

$18.99
The Driveworks belt is designed to provide better belt-to-pulley contact. The specialized rubber compound incorporates a high temperature polymer formulated to maximize load carrying requirements and belt life. This Driveworks ribbed belt has been constructed and engineered to meet the stringent demands of today’s automotive drive systems. The Driveworks ribbed belt delivers long-lasting dependable belt life.

Product Features:
  • Constructed with heat and ozone resistant EPDM rubber
  • Fiber is added to the rib stock to reinforce the rubber and reduce noise from worn and misaligned pulleys
  • Made with treated polyester cord to reduce belt stretch
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CRP – Clamp – Hose (Part No.4I10078005CRP)

Clamp - Hose

from

$3.84
Clamp – Hose

Rein – Acc. Belt Tension Bo (Part No.G6006185482RIN)

Acc. Belt Tension Bo

from

$7.11
Acc. Belt Tension Bo

Rein – Rein Expansion Tank Hose (Part No.G2030278756RIN)

Rein Expansion Tank Hose

from

$49.77
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
See More

Vaico – Air Pump Hose (Part No.B6030414125VCO)

Air Pump Hose

from

$57.91
Air Pump Hose

Dayco – Serpentine Idler/Tensioner Pulley; Direct Fit, 80 mm Diameter, 24.5 mm Smooth (Part No.89089)

Serpentine Idler/Tensioner Pulley; Direct Fit, 80 mm Diameter, 24.5 mm Smooth

from

$50.99
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong plastic pulleys with specially formulated glass-filled polymers that resist wear and tear. Premium lubricated ball bearings and double high temperature seals ensure peak bearing performance, the most critical element of a pulley’s service life.

Product Features:
  • Designed for the majority of automotive vehicle applications on the road today
  • High-quality materials help resist wear and improve belt life
  • Features premium lubricated bearings to extend service life
  • Meets or exceeds OE quality
See More

Helping You Find the Right Belts and Hoses for Your BMW 525i

You love your 525i. So we’ve made it easier than ever to help you find BMW 525i Belts and Hoses in our online catalog. Our inventory holds 197 aftermarket and OEM Belts and Hoses for your BMW 525i, ranging from $1.29 to $274.99.

We offer parts from 22 brands trusted to make quality Belts and Hoses for your BMW 525i. Before you buy, take some time to read through customer reviews. We currently have 4,090 reviews of BMW 525i Belts and Hoses from previous customers. Some of the top rated parts include Serpentine Idler/Tensioner Pulley; Direct Fit, 80 mm Diameter, 24.5 mm Smooth with 4.7 stars and Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts with 4.4 stars.

Find your 525i Belts and Hoses here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your BMW 525i part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Belts and Hoses Brands for Your BMW 525i

Our inventory holds Belts and Hoses for your BMW 525i from 22 trusted brands. You’ll find OEM and aftermarket parts from brands like Dayco, Driveworks, and Litens, all of which can keep that BMW happy.
We have Dorman – Help parts available for your BMW 525i in categories like PCV Hoses. Some of the top-rated Dorman – Help parts in these categories are:
Oil Separator Upper Vent Tube
from $30.99
(1)
Oil Separator Upper Vent Tube
PCV Hoses

Top-Rated Dayco Belts and Hoses

Leading Dayco Belts and Hoses

We carry Dayco brand parts for your BMW 525i across several catalog categories, including Serpentine and V Belts and Pulleys. Some of our most reviewed Dayco parts include:
Poly Rib Belt Serpentine Belt; 60.5 Long, 6 Rib Count
from $37.99
(268)
Poly Rib Belt Serpentine Belt; 60.5 Long, 6 Rib Count
Serpentine Belts

FAQs for BMW 525i Belts and Hoses

What are the most purchased Belts and Hoses for the BMW 525i?

Out of 197 Belts and Hoses for the BMW 525i, the most popular in our inventory are:
Poly Rib Belt Serpentine Belt; 33.27 Long, 4 Rib Count
from $35.99
(43)
Poly Rib Belt Serpentine Belt; 33.27 Long, 4 Rib Count
Serpentine Belts
Poly Rib Belt Serpentine Belt; 33.27 Long, 4 Rib Count
from $30.49
(25)
Poly Rib Belt Serpentine Belt; 33.27 Long, 4 Rib Count
Serpentine Belts
Poly Rib Belt Serpentine Belt; 60.5 Long, 6 Rib Count
from $23.99
(21)
Poly Rib Belt Serpentine Belt; 60.5 Long, 6 Rib Count
Serpentine Belts

What are the top-rated BMW 525i Belts and Hoses?

Top-rated Belts and Hoses for your BMW 525i based on customer reviews/ratings are:
Serpentine Idler/Tensioner Pulley; Direct Fit, 80 mm Diameter, 24.5 mm Smooth
from $50.99
(23)
Serpentine Idler/Tensioner Pulley; Direct Fit, 80 mm Diameter, 24.5 mm Smooth
“The part was a perfect fit for my 2005 BMW 325i. The original part ripped off from the casting which broke the belt and overheated the car. For this a”
Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts
from $70.99
(22)
Serpentine Belt Tensioner; 1 Piece, HD, Built To Outperform And Outlast OE Parts
“My original idler pulley failed on my vehicle at 100,000 miles and left me stranded on a Friday night. I had to replace the idler pulley (Dayco 89089)”
Poly Rib Belt Serpentine Belt; 35.04 Long, 5 Rib Count
from $24.99
(18)
Poly Rib Belt Serpentine Belt; 35.04 Long, 5 Rib Count
“right size, works great”