BMW Drive Belts & V-Belts

Accessory Belt Service Kit w/ Kevlar Reinforced Belt - BMW N55 F-Chas...

T#:22097553

Part#: 11287628661TKT

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06-16-2026

$ 101.98 USD

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Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belt, tensioner assembly, and idler pulley. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the rollers and/or tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - BMW E82/88 E9X...

T#:22163422

Part#: 11287568247TKT

Ships on Nov 12, 2026

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04-15-2026

$ 178.94 USD

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Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belt, tensioner assembly, and idler pulleys. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the rollers and/or tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!

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Lower Idler Pulley

T#:32350850

Part#: 11287557851

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05-03-2026

$ 23.79 USD

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Accessory Belt Tensioner Assembly

T#:32350851

Part#: 11288604266

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05-03-2026

$ 48.59 USD

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - BMW N52 ...

T#:22130432

Part#: 11287530314TKT

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05-03-2026

$ 104.71 USD

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Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belt, tensioner assembly, and idler pulley. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the rollers and/or tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!

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Accessory Belt Tensioner Assembly

T#:29101657

Part#: 11287563927

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05-03-2026

$ 57.79 USD

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Accessory Belt Tensioner - Mechanical

T#:32450133

Part#: 11288570439

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05-03-2026

$ 75.06 USD

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Upper Idler Pulley

T#:26305073

Part#: 11287556251

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07-14-2026

$ 23.99 USD

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Mechanical A/C Belt Tensioner Assembly

T#:26305100

Part#: 11281433571

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05-03-2026

$ 47.32 USD

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OEM Febi Air Conditioning Hydraulic Belt Tensioner - E36 E39 Z3 ...

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T#:12943

Part#: 11281717210

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$ 74.99

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05-02-2026

$ 61.99 USD

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For Air Conditioning A/C Belt

Hydraulic Belt Tensioner for E36, E39, Z3 6-cyl models. This is the oil-filled tensioner that keeps the A/C belt in the proper tension. Over time the piston seals inside allow fluid to leak out. The tensioner becomes frozen or inoperable. Replacement is the best corrective action to take. This can be done during any belt or pulley service or anytime the fan is off the engine.
When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMWs:
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1997-6/1998 E39 BMW 528i
1997-1999 Z3 BMW Z3 2.3 Z3 2.8
1998-2000 Z3 BMW M Roadster M Coupe

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - F3X F10 N20 2....

T#:22097555

Part#: 11287618848TKT

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06-01-2026

$ 70.48 USD

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Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belt and an OEM tensioner assembly. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the tensioner and upgrading your accessory belt is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!

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N54 AC Delete Accessory Belt Kit - BMW N54 3.0L

T#:26771665

Part#: 7PK1660KT

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05-03-2026

$ 66.28 USD

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This AC Delete Accessory Belt Kit includes a new idler pulley and a shorter ECS Kevlar belt for deleting your AC compressor. ECS Tuning Performance Kevlar reinforced belts give you that extra piece of mind! Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432

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BMW Power Steering Pully - 32427830838

T#:45757458

Part#: 32427830838

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$ 50.99 USD

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A new power steering pulley is key to keeping your steering system smooth and reliable. Over time, pulleys can warp, crack, or wear, causing belt slippage, whining noises, or even pump failure. Installing a fresh pulley restores correct belt alignment, eliminates noise, and maintains consistent hydraulic pressure for precise, effortless steering. Why choose a new pulley? Smooth operation – Ensures proper belt tension for dependable pump performance. Noise reduction – Eliminates squealing, whining, or vibration from worn pulleys. System protection – Protects the pump and steering components from damage. Install a new pulley and keep your steering system running quietly, efficiently, and confidently.

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Deflection Pulley

T#:32450136

Part#: 11288673720

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05-03-2026

$ 25.19 USD

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Accessory Belt Tensioner Assembly

T#:32350878

Part#: 11287594969

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06-18-2026

$ 40.79 USD

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Belt Tensioner

T#:32450132

Part#: 11287549873

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05-03-2026

$ 68.54 USD

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Bremmen Belt Tensioner Assembly -- E60 E61 E70 E82 E88 E9X Z4 ...

T#:39497969

Part#: 11287530314

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$ 43.24 USD

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This tensioner keeps the belt for the alternator, power steering, and air conditioning taut to provide maximum performance of each system.

MINI R56 Drive Wheel for Water Pump

We Price Match - Give Us A Call or Chat!

T#:591822

Part#: 11517619020

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$ 50.99

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02-16-2026

$ 41.99 USD

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Upgrade your vehicle's performance with the Mini Drive Wheel/Pulley from FEBI, the trusted OES supplier. Designed to mount to the water pump and seamlessly spin it via the drive belt, this essential component ensures optimal functioning of your vehicle's cooling system. It's a reliable replacement for worn-out or damaged parts, offering enhanced durability and efficiency. Invest in FEBI's Mini Drive Wheel/Pulley for a smoother ride and peace of mind on the road.

Enhances vehicle performance
Reliable replacement for worn-out parts
Ensures optimal functioning of the cooling system
Manufactured by FEBI, a trusted OES supplier

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A/C Belt Tensioner - 11281717210

T#:36913367

Part#: 11281717210

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$ 53.03 USD

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Also known as a shock damper, the accessory belt tensioner is used to tension the air conditioning compressor belt. This ensures proper contact with the belt drive pulleys and prevents premature wear from improper tension.

If your belt is wearing prematurely or has excess slack, your belt tensioner may be to blame. Replace it with this high-quality Bremmen Parts tensioner to ensure proper tension and air conditioning functionality.

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Deflection Pulley

T#:34080699

Part#: 11287578674

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05-03-2026

$ 22.84 USD

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Mechanical A/C Belt Tensioner Assembly

T#:32350880

Part#: 11287512758

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$ 40.79 USD

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - F8X S55 ...

T#:22163426

Part#: 11287848605TKT

Ships in 1 Business Day

$ 414.99

This product was last offered at the strikethrough price on
08-07-2026

$ 380.99 USD

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Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes ECS Kevlar Reinforced Drive Belts, tensioner assembly, and idler pulleys. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the rollers and/or tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!

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OEM Febi Idler Pulley - Multiple BMWs

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T#:382342

Part#: 11287841228

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$ 48.99 USD

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This is an OEM Febi Upper Idler Pulley, also known as the roller pulley or deflection pulley. The upper and lower idler pulleys are known to be the primary sources for 'belt squealing'. The pulley is also encased in rubber which will crack over time. If left without service the rubber could fail completely, chucking the belt and leaving you stranded. Replacement is a very simple procedure and can be done anytime the fan is off the engine (belt replacement, water pump service, alternator replacement, etc).

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Performance Accessory Belt Kit - Kevlar Reinforced - BMW B46TU/B48TU...

T#:29798952

Part#: 11288650740T1KT

Ships on Nov 12, 2026

Sale - Save 24% $ 137.99

This product was last offered at the strikethrough price on
05-03-2026

$ 105.35 USD

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Having your accessory belt fail is a major inconvenience and can leave you on the side of the road if the alternator isn't charging and the mechanical water pump isn't turning. Over time the tensioner and the belt itself wears out and will eventually fail. This kit includes everything you need to service the belt drive system and keep everything in check. Included: ECS Tuning Kevlar Reinforced Performance Accessory Belt - Designed to resist OEM Febi Belt Tensioner Genuine BMW Tensioner Hardware

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - F22/23 F3X B58...

T#:22097533

Part#: 11288613707TKT

Ships on Nov 12, 2026

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05-03-2026

$ 105.35 USD

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Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belt, tensioner assembly, and the hardware required to install the new tensioner. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the rollers and/or tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!

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Idler Pulley

T#:34080698

Part#: 11287578675

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05-03-2026

$ 22.02 USD

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - BMW E82/88 E9X...

T#:22163417

Part#: 11287582946TKT

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$ 221.92 USD

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Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belt, belt tensioner, and idler pullies. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the rollers and/or tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!

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S54 Turner Motorsport Ultimate Power Pulley And Drive Belt Overhaul S...

T#:15710772

Part#: 11281730349-KT

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05-03-2026

$ 494.69 USD

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$ 494.69 USD

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The idea of power pulleys is simple. The less effort the engine puts into running accessories such as the water pump, power steering, pump alternator etc., the more of that power can be used elsewhere - your wheels! The way this is done by reducing the rotation of the pulleys by as much as 10-20%! The end result is more horsepower at your disposal. Turner has done extensive testing (on and off the track), to ensure that the accessory systems still function as intended and without failure. These pulleys offer an excellent compromise of power gains, reliability and performance. All Turner pulleys are constructed of high quality T-6061 aluminum for durability and longevity. They are also finished in a black hard anodizing, which is highly resistant to wear including chemical and heat exposure. They have been designed to carry stock-like aesthetics, but with increased strength properties and lighter weight. Because of the durable aluminum construction, you can also put the worries of a serious plastic failure to rest. These pulleys will last, all the while increasing horsepower too! While you're installing your Power Pulley Kit, it makes sense to overhaul your Accessory Belt System as well, so this kit includes our Accessory Belt Kit as well.

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - E36 Z3 M52 S52...

T#:22130428

Part#: 11281437929TKT

Ships on Nov 12, 2026

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05-03-2026

$ 244.54 USD

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Eliminate your squeaking accessory belt pulleys and cracked drive belts with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belt, an OEM A/C belt, belt tensioners, an idler pulley, and the hardware required for installation ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the belts, rollers, and tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!

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Febi Water Pump Pulley - E39, E46, E53, E60, E83, Z3, Z4

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T#:373752

Part#: 11511436590

Ships in 1-2 days

$ 40.99

This product was last offered at the strikethrough price on
08-13-2026

$ 24.99 USD

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A common failing piece due to the plastic design.

Hydraulic Alternator Belt Tensioner Conversion Kit

T#:15710833

Part#: 11287838797-KT

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05-03-2026

$ 163.64 USD

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The original mechanical design is has been discontinued by BMW. So now Turner offers this complete hydraulic tensioner conversion kit for your BMW alternator/water pump/power steering belt. Changes the old style mechanical design to the updated hydraulic design recommended by BMW. Includes the following parts Hydraulic Tensioner Adjusting Pulley Caps & Dust Guards Securing Hardware

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Deflection Pulley - Priced Each

T#:32450135

Part#: 11287790448

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$ 21.21 USD

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - BMW E60 N54 3....

T#:22163416

Part#: 4485241TKT

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05-03-2026

$ 136.47 USD

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Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belt, belt tensioner, and idler pullies. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the rollers and/or tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!

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Febi Plastic Water Pump Pulley - E53, E60, E63, E64, E65, E66 ...

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T#:381781

Part#: 11517504077

Ships in 1-2 days

$ 45.99

This product was last offered at the strikethrough price on
08-13-2026

$ 30.03 USD

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Replace your cracked or broken pulley

Febi Water Pump Pulley - E34, E36, E39, Z3

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T#:381779

Part#: 11511730554

Ships in 2 Business Days

$ 39.51

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08-13-2026

$ 28.25 USD

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Located behind the fan blade, fan clutch bolts to this pulley

Accessory Belt Kit

T#:15744006

Part#: 11281469266KT-KT

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This product was last offered at the strikethrough price on
06-16-2026

$ 228.39 USD

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Having your accessory belt fail is definitely inconvenient, and can leave you on the side of the road if the alternator isn't charging. Over time the tensioner and the belt itself gets worn and will eventually fail. Turner Motorsport has assembled a convenient kit with this in mind. This kit includes everything you need to service the belt drive system and keep everything in check. This kit includes: Continental accessory belts Ruville A/C belt tensioner URO idler and belt tensioner pulleys LUK hydraulic tensioner assembly Idler pulley securing bolt

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - F07/10 F06/12/...

T#:23482929

Part#: 8PK1478TKT

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$ 129.72 USD

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Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belt, tensioner assembly, and new pulleys. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the rollers and/or tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - E46 M3, Z3M, Z...

T#:23482931

Part#: S54KEVACCKT

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05-03-2026

$ 327.21 USD

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$ 327.21 USD

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Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belts, tensioner assemblies, and new tensioner pulleys. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the rollers and/or tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - E90 335d M57 ...

T#:23416570

Part#: 11287792059TKT

In Stock

Sale - Save 3% $ 240.99

This product was last offered at the strikethrough price on
06-01-2026

$ 233.95 USD

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Sale - Save 3%

$ 240.99

This product was last offered at the strikethrough price on
06-01-2026

$ 233.95 USD

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Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belts, tensioner assemblies, and new tensioner pulleys. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the rollers and/or tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!

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Belt - Main Drive and A/C Belt Set for Turner Pulley Kit - E60 M5, E6...

T#:16580

Part#: E60-M5-UDP-BELTS

Ships in 6 Business Days

Sale - Save 3% $ 49.95

This product was last offered at the strikethrough price on
05-03-2026

$ 48.44 USD

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$ 49.95

This product was last offered at the strikethrough price on
05-03-2026

$ 48.44 USD

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These are the replacement drive belts used in our Turner Pulley Kit on the S85 V10 engine (E60 M5 and E63/E64 M6). These belts are shorter than the stock belt since our underdrive crank pulley is a larger diameter than stock. Because of the different lengths, you cannot use a stock belt with the Pulley Kit. This set of belts includes the main drive belt (6PK-1400) and the A/C belt (6PK-1045).

This belt set fits the following BMWs with the Turner Pulley Kit:
2006-2010 E60 BMW M5
2004-2011 E63 E64 BMW M6

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - BMW N63 S63 ...

T#:23516122

Part#: 11287631824TKT

In Stock

$ 220.99 USD

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$ 220.99 USD

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Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belt, replacement A/C belt, and a new tensioner. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the rollers and/or tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - E46 E39 M54 ...

T#:23482922

Part#: 4PK863ATKT

Back Ordered

Sale - Save 3% $ 254.99

This product was last offered at the strikethrough price on
05-03-2026

$ 246.93 USD

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Sale - Save 3%

$ 254.99

This product was last offered at the strikethrough price on
05-03-2026

$ 246.93 USD

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Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belts, tensioner assemblies, and new tensioner pulleys. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the rollers and/or tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!

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Febi Hydraulic Alternator Belt Tensioner Roller - E36, E39, E46 ...

We Price Match - Give Us A Call or Chat!

T#:382335

Part#: 11281748131

Ships on Nov 11, 2026

$ 31.99 USD

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$ 31.99 USD

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Replacement is recommend with every belt service

OEM Febi Water Pump/Alternator Mechanical Belt Tensioner with Pulley ...

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T#:381684

Part#: 11281427252

Ships in 2 Business Days

$ 80.99 USD

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$ 80.99 USD

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This tensioner is for either the Water Pump or Alternator on cars with the mechanical belt tensioner system. Please check to ensure your car does not have the hydraulic tensioner. This tensioner comes with the pulley assembly.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts. All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

Only for cars with Mechanical belt tensioner systems.

This item fits the following BMWs:
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
1991-1995 E34 BMW 525i
1997-2003 E39 BMW 525i 528i 530i
2004-2005 E60 BMW 525i 530i
2004-2006 E83 BMW X3 2.5i X3 3.0i
2000-2006 E53 BMW X5 3.0i
1997-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
2003-2005 Z4 BMW Z4 2.5i Z4 3.0i

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Febi Mechanical A/C Belt Tensioner Assembly - E39, E46, E53, E60, E83...

We Price Match - Give Us A Call or Chat!

T#:381700

Part#: 11287512758

Ships on Nov 11, 2026

$ 75.99 USD

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$ 75.99 USD

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Complete tensioner assembly with roller

Accessory Belt Service Kit w/ Kevlar Reinforced Belt - BMW N47 N57 ...

T#:23516116

Part#: 6PK1697TKT

Ships on Dec 9, 2026

$ 206.99

This product was last offered at the strikethrough price on
07-15-2026

$ 194.99 USD

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$ 194.99 USD

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Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belt, tensioner assembly, and new tensioner bolts. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the rollers and/or tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!

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OEM Accessory Belt Service Kit - E36 325 M3 S50 M50

T#:593731

Part#: E36S50ABSKT

Ships in 2 Business Days

$ 201.96 USD

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$ 201.96 USD

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Over time, accessory belts begin to wear out and crack. This can lead to the belt slipping, squeaking, or even snapping. Replace your belts and tensioners on a regular basis to ensure you don't end up stranded on the side of the road with a dead battery or overheated engine due to a bit of simple overlooked maintenance. This kit includes all of the items that will need replaced such as the belts, tensioners, and hardware.

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Accessory Belt Service Kit w/ Kevlar Reinforced Belt - E39 540i, E38 ...

T#:23416543

Part#: 11287636377TKKT

Back Ordered

$ 364.99 USD

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$ 364.99 USD

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Eliminate your squeaking accessory belt pulley and cracked drive belt with this upgraded accessory belt service kit! This kit includes the ECS Kevlar Reinforced Drive Belt, tensioner assemblies, and new tensioner pulleys. ECS Tuning's Red Kevlar Accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Kevlar-reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM-style belts. Refreshing the rollers and/or tensioners simultaneously is a great way to ensure all vital components of your drive belt system are functioning optimally for years to come!

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Accessory Belt Idler Pulley

T#:32350879

Part#: 11287615130

In Stock

Sale - Save 22% $ 22.99

This product was last offered at the strikethrough price on
05-03-2026

$ 17.94 USD

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Sale - Save 22%

$ 22.99

This product was last offered at the strikethrough price on
05-03-2026

$ 17.94 USD

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Hydraulic Alternator Belt Tensioner Roller - 11281748131

T#:30629659

Part#: 11281748131

In Stock

Sale - Save 19% $ 18.99

This product was last offered at the strikethrough price on
05-03-2026

$ 15.29 USD

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Sale - Save 19%

$ 18.99

This product was last offered at the strikethrough price on
05-03-2026

$ 15.29 USD

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This pulley is mounted along with the hydraulic belt tensioner but can be replaced on its own. It is used for the main drive belt on the M50-M54 family engines (M50, M50TU, M52, S52, M52TU, M54, M56, and S54 engines). This is the same belt that covers the water pump/alternator/power steering systems. Replacement is a very easy procedure (requires fan removal) and will have your engine purring in no time. Belt replacement is strongly recommended at the same time. If you have a mechanical belt tensioner, the pulley can only be replaced with a new tensioner.

This high-quality replacement from Bremmen Parts is designed for exact fitment on your BMW. Whether you're looking to complete much-needed preventative maintenance, or replacing a failed roller, choose this component from Bremmen Parts for a lasting repair.

If you need the hydraulic belt tensioner, click here.

This item is 70mm Diameter. Please check the diameter before ordering.

This tensioner pulley fits the following BMWs: 1991-1995 E34 525i (M50 engine) 1992-1999 E36 325i, 325is, 328i, 328is, 323is 1995-1999 E36 M3 (M3 3.0 & M3 3.2 liter) 1997-2003 E39 525i, 528i, 530i - Only for Hydraulic Tensioner 1999-2000 E46 323i, 323Ci, 328i, 328Ci - Only for Hydraulic Tensioner 2001-2005 E46 325i, 325Ci, 325xi, 330i, 330Ci, 330xi - Only for Hydraulic Tensioner 2001-2006 E46 M3 coupe & convertible - Only for Hydraulic Tensioner 2000-2006 X5 3.0 liter (E53 chassis) 2004 E60 525i, 530i (M54 engine) 1997-2002 Z3 & MZ3 2.5, 2.8, 3.0, M Roadster, M Coupe 2003-2009 Z4 M Coupe and Roadster

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