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BMW 328i Engine Drive Belt Parts

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Hydraulic Alternator Belt Tensioner Roller

ES#2137092 - 11281748131 - Hydraulic Alternator Belt Tensioner Roller - Replacement is recommend with every belt service - Ina - BMW
ECS Tuning recommends this product.

Replacement is recommend with every belt service We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2137092
Mfg#:
11281748131
In Stock
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical A/C Belt Tensioner Assembly

ES#4759474 - 11281433571 - Mechanical A/C Belt Tensioner Assembly - Complete tensioner assembly with roller - Bremmen Parts - BMW

Complete tensioner assembly with roller 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759474
Mfg#:
11281433571
In Stock
ON SALE! SAVE 21%
$59.99

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

$47.32 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical A/C Belt Tensioner Assembly

ES#2137122 - 11281433571 - Mechanical A/C Belt Tensioner Assembly - Complete tensioner assembly with roller - Ina - BMW
ECS Tuning recommends this product.

Complete tensioner assembly with roller We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2137122
Mfg#:
11281433571
In Stock
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner Assembly

ES#3648482 - 11287594969 - Accessory Belt Tensioner Assembly - This is the main belt tensioner for A/C, and alternator - Ina - BMW
ECS Tuning recommends this product.

This is the main belt tensioner for A/C, and alternator We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3648482
Mfg#:
11287594969
In Stock
$72.99

This product was last offered at the strikethrough price on
04-15-2026

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#2635521 - 11281437929 - Accessory Belt - Drives the alternator, water pump, and power steering pump - Continental - BMW

Drives the alternator, water pump, and power steering pump We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2635521
Mfg#:
11281437929
In Stock
$18.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Kevlar Reinforced Belt - N52

ES#4485239 - 6pk1990 - Performance Kevlar Reinforced Belt - N52 - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - 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. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4485239
Mfg#:
6PK1990
Ships in 9 Business Days
Auto Notify
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit

ES#2586762 - 11281469266KT - Accessory Belt Kit - Includes both belts, tensioners, and rollers - Assembled By ECS - BMW

Includes both belts, tensioners, and rollers 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586762
Mfg#:
11281469266KT
In Stock
ON SALE!
$237.99

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

$229.43 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Roller

ES#4818522 - 11281748131 - Hydraulic Alternator Belt Tensioner Roller - Replacement is recommend with every belt service - Bremmen Parts - BMW

Replacement is recommend with every belt service 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818522
Mfg#:
11281748131
In Stock
ON SALE! SAVE 19%
$18.99

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

$15.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Drive Belt Service Kit

ES#2598801 - ADK0022P - Accessory Drive Belt Service Kit - Includes Contitech belt and high quality aftermarket parts - Continental - BMW

Includes Contitech belt and high quality aftermarket parts We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2598801
Mfg#:
ADK0022P
In Stock
$173.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Idler Pulley

ES#4818523 - 11287841228 - Idler Pulley - Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems - Bremmen Parts - BMW

Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818523
Mfg#:
11287841228
In Stock
ON SALE! SAVE 22%
$19.99

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

$15.50 USD
Free Shipping
on orders $49 and up
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
$41.81

This product was last offered at the strikethrough price on
03-17-2026

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

Accessory Belt Tensioner Assembly

ES#4830566 - 11287594969 - Accessory Belt Tensioner Assembly - This is the main belt tensioner for A/C, and alternator - Bremmen Parts - BMW

This is the main belt tensioner for A/C, and alternator 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4830566
Mfg#:
11287594969
In Stock
ON SALE! SAVE 15%
$47.99

This product was last offered at the strikethrough price on
06-18-2026

$40.79 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
Ships in 3 Business Days
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
07-20-2026

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

Deflection Pulley

ES#4759447 - 11287535860 - Deflection Pulley - Accessory drive belt idler pulley - Bremmen Parts - BMW

Accessory drive belt idler pulley 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759447
Mfg#:
11287535860
In Stock
ON SALE! SAVE 19%
$20.99

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

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt - Air Conditioning Compressor

ES#10369 - 11281437450 - Accessory Belt - Air Conditioning Compressor - A/C Belt for your BMW - Continental - BMW

A/C Belt for your BMW We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
10369
Mfg#:
11281437450
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
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 For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871929
Mfg#:
11281717210
In Stock
ON SALE! SAVE 21%
$66.99

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

$53.03 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.

Let us help you find the parts that fit your BMW

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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