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BMW Engine Drive Belt Parts

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Idler Pulley

ES#2079664 - 11287589361 - Idler Pulley - Idler pulley for serpentine belt. - Genuine BMW - BMW

Idler pulley for serpentine belt.

Brand:
Genuine BMW - Corporate Logo
ES#:
2079664
Mfg#:
11287589361
In Stock
5% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$82.99

This product was last offered at the strikethrough price on
10-23-2026

$78.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#2800612 - 11287618848 - Accessory Belt - Alternator / AC Belt - Continental - BMW Volkswagen

Alternator / AC Belt We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2800612
Mfg#:
11287618848
In Stock
$40.95

This product was last offered at the strikethrough price on
09-27-2026

$20.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical Accessory Belt Tensioner

ES#3609927 - 11288580360 - Mechanical Accessory Belt Tensioner - Applies tension to the accessory belt to prevent slippage - Genuine BMW - BMW MINI

Applies tension to the accessory belt to prevent slippage

Brand:
Genuine BMW - Corporate Logo
ES#:
3609927
Mfg#:
11288580360
In Stock
4% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$197.99

This product was last offered at the strikethrough price on
10-23-2026

$190.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#2993804 - 11288613707 - Accessory Belt - Drives the alternator, water pump, and power steering pump - Genuine BMW - BMW

Drives the alternator, water pump, and power steering pump

Brand:
Genuine BMW - Corporate Logo
ES#:
2993804
Mfg#:
11288613707
In Stock
20% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$32.78

This product was last offered at the strikethrough price on
08-24-2026

$26.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Idler Pulley

ES#21817 - 11287841228 - Idler Pulley - Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems - Genuine BMW - BMW

Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems

Brand:
Genuine BMW - Corporate Logo
ES#:
21817
Mfg#:
11287841228
In Stock
8% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$123.34

This product was last offered at the strikethrough price on
10-23-2026

$113.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Service Kit

ES#3658438 - 112876286591KT - Accessory Belt Service Kit - Includes belt, tensioner and idler pulleys - Genuine BMW - BMW

Includes belt, tensioner and idler pulleys For vehicles with dynamic or adaptive drive

Brand:
Genuine BMW - Corporate Logo
ES#:
3658438
Mfg#:
112876286591KT
Ships in 1-2 days
$396.99

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

$392.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical Belt Tensioner

ES#3651383 - 11288088632 - Mechanical Belt Tensioner - Complete tensioner assembly with roller - Genuine BMW - BMW

Complete tensioner assembly with roller

Brand:
Genuine BMW - Corporate Logo
ES#:
3651383
Mfg#:
11288088632
In Stock
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$179.99

This product was last offered at the strikethrough price on
05-06-2026

$173.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Kevlar Reinforced Accessory Belt - N55

ES#4661044 - 8PK1478 - Performance Kevlar Reinforced Accessory Belt - N55 - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Replaces BMW # 11287628659 and 11287589365 - ECS - BMW
ECS Tuning recommends this product.

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Replaces BMW # 11287628659 and 11287589365 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4661044
Mfg#:
8PK1478
Ships on Nov 12, 2026
$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner Assembly

ES#2714083 - 11288604266 - Accessory Belt Tensioner Assembly - This is the main belt tensioner for A/C, power steering and alternator - Genuine BMW - BMW

This is the main belt tensioner for A/C, power steering and alternator

Brand:
Genuine BMW - Corporate Logo
ES#:
2714083
Mfg#:
11288604266
Ships in 1-2 days
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$179.99

This product was last offered at the strikethrough price on
10-23-2026

$168.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E70 A/C Drive Belt

ES#2770894 - 64557809801 - E70 A/C Drive Belt - Drive belt that operates the climate control system - Continental - BMW

Drive belt that operates the climate control system We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2770894
Mfg#:
64557809801
In Stock at Vendor
$18.10 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Deflection Pulley

ES#3131377 - 11287578674 - Deflection Pulley - A/C belt idler pulley - Ina - BMW
ECS Tuning recommends this product.

A/C belt idler pulley We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3131377
Mfg#:
11287578674
In Stock
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Belt Tensioner

ES#21804 - 11287835422 - Hydraulic Belt Tensioner - Keep your air conditioning belt tight - Genuine BMW - BMW

Keep your air conditioning belt tight

Brand:
Genuine BMW - Corporate Logo
ES#:
21804
Mfg#:
11287835422
In Stock
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$193.99

This product was last offered at the strikethrough price on
10-23-2026

$181.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N55 "Bulletproof" Crank Kit

ES#4660307 - ECSF30N55BP540KT - N55 "Bulletproof" Crank Kit - .or at least as "Bulletproof" as your F3X N55 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service. - Assembled By ECS - BMW

...or at least as "Bulletproof" as your F3X N55 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service. 10X Entries Into Our F80 M3 Sweepstakes
Includes 5w-40 oil which is a slighty higher viscosity than recommended by BMW - great for performance ap

Brand:
Assembled By ECS - Corporate Logo
ES#:
4660307
Mfg#:
ECSF30N55BP540KT
In Stock
ON SALE!
$503.99

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

$478.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Accessory Belt Service Kit

ES#3184093 - 64521706826KT - Accessory Belt Service Kit - Utilizes high quality aftermarket components - Assembled By ECS - BMW

Utilizes high quality aftermarket components 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3184093
Mfg#:
64521706826KT
Ships on Nov 11, 2026
$204.09

This product was last offered at the strikethrough price on
10-23-2026

$204.06 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

A/C Belt Tensioner

ES#4871929 - 11281717210 - A/C Belt Tensioner - Provides tension between the crank pulley and A/C compressor. - Bremmen Parts - BMW

Provides tension between the crank pulley and A/C compressor. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871929
Mfg#:
11281717210
In Stock
ON SALE! SAVE 25%
$66.99

This product was last offered at the strikethrough price on
05-02-2026

$50.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Drive Belt Parts

Drive belts transfer crankshaft power to various accessories, including the alternator, water pump, power steering pump, and air conditioning compressor. Replacement of drive belts, serpentine belts, and drive belt tensioners at recommended service intervals helps you avoid untimely breakdowns and expensive vehicle repairs.

Other BMW Engine Drive Belt Parts

Let us help you find the parts that fit your BMW

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Manufacturer names and/or part numbers are used only for identification purposes.

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