BMW 525i Belts and Hoses

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Essential BMW 525i Belts and Hoses

INA US – ACC DRV BLT IDLRPLLY (Part No.FP03431)

ACC DRV BLT IDLRPLLY

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$33.99
ACC DRV BLT IDLRPLLY

Rein – Heater Hose (Part No.CHH0105R)

Heater Hose

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$12.99
Rein Automotive OE quality heater 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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Litens – Serpentine Belt Drive Component Kit (Part No.LV999141A)

Serpentine Belt Drive Component Kit

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$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.

Product Features:
  • All-in-one solution to get the whole job done right the first time.
  • Eliminate the guess-work by repairing the whole system.
  • Front end accessory drive components wear together. Replace all of the components for added piece of mind.
  • A serpentine belt system that is not operating properly will affect other components. Many of your car’s systems are driven by the belt system. Keep them all functioning in tip-top shape.
  • Worn tensioners and idlers can cut belt life in half.
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Dorman – Help – Positive Crankcase Ventilation Vent Hose (Part No.46106)

Positive Crankcase Ventilation Vent Hose

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$24.99
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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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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Rein – Breather Hose (Part No.ABV0195)

Breather Hose

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$54.99
Rein Automotive OE quality breather hoses fit European vehicles the way the original manufacturer intended. Designed to be direct replacements for OE hoses, Rein hoses are identical to the OEM.

Product Features:
  • Matches original equipment design specifications.
  • Manufactured with high quality materials.
  • Direct fit for easy installation.
  • Resistant to heat, salt, road debris, oil and other contaminants.
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INA US – Engine Timing Belt Tensioner (Part No.FT30097)

Engine Timing Belt Tensioner

from

$216.99
Our front end auxiliary drive (FEAD) solutions ensure outstanding vibration damping in the smallest of installation spaces in today¿s high-load engines. Besides offering a complete selection of individual components, individually-assembled FEAD kits allow holistic maintenance that help avoid secondary damages.
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Gates – Vulco-Flex II Flexible Coolant Hose (Part No.25477)

Vulco-Flex II Flexible Coolant Hose

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$17.79
Gates Vulco-Flex(R) II hose will bend in almost any direction. It easily replicates the angles and planes of a wide variety of expensive original equipment coolant hose, for quick, easy replacement.

Product Features:
  • Improved sealing surface for greater leak resistance
  • High flexibility for easy installation
  • Maximum vehicle coverage with minimal inventory
  • Resistant to heat, oil and ozone
  • Rated for SAE 20R5 Class D-2 performance
  • Temperature range: up to +257 degrees Celsius. F (+125 Deg. C)
  • Note: Gates recommends replacing clamps and connectors every time a new cooling hose is installed.
  • Caution: Do not use for fuel or oil transport applications.
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Rein – Radiator Hose (Part No.CHR0024R)

Radiator Hose

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$85.99
Rein Automotive OE quality radiator 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 US – ACC DRV BELT TNS ASY (Part No.ED0003)

ACC DRV BELT TNS ASY

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$75.99
ACC DRV BELT TNS ASY

Driveworks – Poly Rib Belt Serpentine Belt; 35.5 Long, 5 Rib Count (Part No.355K5)

Poly Rib Belt Serpentine Belt; 35.5 Long, 5 Rib Count

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$14.29
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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Driveworks – Poly Rib Belt Serpentine Belt; 35.04 Long, 5 Rib Count (Part No.350K5)

Poly Rib Belt Serpentine Belt; 35.04 Long, 5 Rib Count

from

$15.79
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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INA US – Engine Timing Idler (Part No.FP00011)

Engine Timing Idler

from

$58.99
Our front end auxiliary drive (FEAD) solutions ensure outstanding vibration damping in the smallest of installation spaces in today¿s high-load engines. Besides offering a complete selection of individual components, individually-assembled FEAD kits allow holistic maintenance that help avoid secondary damages.
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Dayco – Idler Pulley, Dayco (Part No.89089)

Idler Pulley, Dayco

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$51.99
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 – Bottom Cog V-Belt; 38.5 Inch Long, Exact Fit Premium Quality (Part No.15385)

Bottom Cog V-Belt; 38.5 Inch Long, Exact Fit Premium Quality

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$26.99
Dayco has combined raw-edge construction and a smooth top to ensure high performance on vehicles and drives that utilize V-belts. The Dayco high performance V-belt delivers more flexibility and increases airflow around the belt so it runs cooler and lasts longer. Three plies of neoprene impregnated fabric resist heat, oil and grease while a specially-formulated treatment of the polyester cord provides the strength, stability and reliability that are required for one of the most innovative, top-performing V-belts.

Product Features:
  • Provides greater durability and flexibility – 35% stronger than all previous versions
  • Prevents electromechanical interference issues on modern vehicles
  • Resists heat, oil and grease
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Driveworks – Automotive V-Belt, Driveworks (Part No.32017)

Automotive V-Belt, Driveworks

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$4.99
The Driveworks V-Belt is manufactured with top quality components to deliver the maximum power and performance on all passenger cars and light duty trucks in service today.

Product Features:
  • This belt is made with bottom cogs to provide the maximum flexibility and grip required on v-belt drives
  • Polyester cords provide extreme tension-holding capability for longer belt life
  • The raw edge belt design delivers the maximum gripping power
  • The highly engineered rubber compounds are resistant to under hood heat and ozone deterioration
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Gates – Premium Modular Coolant Hose (Part No.23888)

Premium Modular Coolant Hose

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$70.99
Modular coolant hoses are on many of today’s vehicles and are much more complex than the standard molded hoses of the past. Modular coolant hoses are hose assemblies with one or more components built into the hose. Some examples of these components include hose branches, quick connectors, valves, sensors, bleeders and flow restrictors. Manufactured identical or equivalent to the OE hose, modular coolant hoses will keep your vehicle’s cooling system running properly and efficiently for years to come.

Product Features:
  • Specifically-engineered materials resist collapse under vacuum
  • Designed to resist electrochemical degradation, which is the primary cause of hose failure
  • EPDM tube; synthetic fiber knit reinforcement, EPDM cover resistant to heat, ozone and chemical refrigerants.
  • Manufactured using exact hose components from the Original Manufacturer (quick connects, branch/T connectors, sensors, etc.)
  • Meets SAE 20R3 EC Class D1 under 25mm (1 in.) ID, SAE 20R4 EC Class D1 for 25mm (1 in.) ID and over
  • Temperature range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Note: Gates recommends replacing the clamps and connectors each time a new radiator hose is installed.
  • Warning: Do not use for fuel or oil transfer applications
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Rein – Radiator Hose (Part No.CHR0049)

Radiator Hose

from

$77.99
Rein Automotive OE quality radiator 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.
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Rein – Belt Tensioner Bolt (Part No.HWB0036)

Belt Tensioner Bolt

from

$25.99
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.CHE0496)

Water Hose

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$20.99
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 by replacing just the failed hose instead of the assembly. No need to remove exhaust components.
  • Installation hardware provided
  • 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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Rein – Radiator Hose Kit (Part No.CHK0401R)

Radiator Hose Kit

from

$74.99
Rein OE quality coolant hoses with temperature sensors 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. Hoses come with the temperature sensor pre-installed. The pre-installed temperature sensor helps minimize comebacks by not reusing the old temperature sensors.

Product Features:
  • Prevents leaks and comebacks from reusing old quick connectors, o-rings and temperature sensors.
  • Reduce installation time as the temperature sensor is preinstalled.
  • No cutting, refitting or adjusting the hose
  • Resistant to heat, salt, road debris, oil and other contaminants
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Rein – Water Hose (Part No.CHE0465)

Water Hose

from

$37.99
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.
See More

Rein – Radiator Hose (Part No.CHR0188)

Radiator Hose

from

$69.99
Rein Automotive OE quality radiator 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.
See More

Rein – Water Hose (Part No.CHE0137R)

Water Hose

from

$70.99
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.
See More

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

$27.99
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 splitting, ballooning and elongation as well as resist ozone and other detrimental environmental elements, coolants and temperature variations of -40øF (-40øC) to +257øF (+125øC). With corrugations that provide excellent hose flexibility without flattening or collapsing, the Dayco flex radiator hose also features a helical steel coil spring for increased flexibility.

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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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 124 aftermarket and OEM Belts and Hoses for your BMW 525i, ranging from $4.99 to $221.99.

We offer parts from 10 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 4,073 reviews of BMW 525i Belts and Hoses from previous customers. Some of the top rated parts include Idler Pulley, Dayco 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 10 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 $31.99
(1)
Oil Separator Upper Vent Tube
PCV Hoses

FAQs for BMW 525i Belts and Hoses

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

Out of 124 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 $36.99
(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:
Idler Pulley, Dayco
from $51.99
(23)
Idler Pulley, Dayco
“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”
Poly Rib Belt Serpentine Belt; 35.04 Long, 5 Rib Count
from $28.99
(18)
Poly Rib Belt Serpentine Belt; 35.04 Long, 5 Rib Count
“right size, works great”