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BMW M3 Engine Pulley Parts

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Hydraulic Belt tensionser

ES#258959 - 11287841546 - Hydraulic Belt tensionser - Controls the amount of tension on pulley - Genuine BMW - BMW

Controls the amount of tension on pulley

Brand:
Genuine BMW - Corporate Logo
ES#:
258959
Mfg#:
11287841546
Ships in 3 Business Days
ON SALE!
$154.99

This product was last offered at the strikethrough price on
06-25-2026

$150.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Deflection Pulley

ES#254057 - 11287841531 - Deflection Pulley - Helps guide and keep tension on the belt. - Genuine BMW - BMW

Helps guide and keep tension on the belt. For Vehicles With A Counterclockwise Power Steering Pump Only

Brand:
Genuine BMW - Corporate Logo
ES#:
254057
Mfg#:
11287841531
In Stock
9% off MSRP

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

$123.99

This product was last offered at the strikethrough price on
06-03-2026

$112.99 USD
Free Shipping
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
3% off MSRP

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

$188.99

This product was last offered at the strikethrough price on
07-20-2026

$182.99 USD
Free Shipping
on orders $49 and up
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

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
07-20-2026

$78.99 USD
Free Shipping
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

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
6% off MSRP

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

$215.99

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

$202.99 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

Mechanical Accessory Belt Tensioner

ES#3651390 - 11288570439 - Mechanical Accessory Belt Tensioner - Applies tension to the accessory belt to prevent slippage - Febi - BMW MINI

Applies tension to the accessory belt to prevent slippage 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
3651390
Mfg#:
11288570439
Ships in 6 Business Days
$140.99

This product was last offered at the strikethrough price on
05-07-2026

$122.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt - Alternator/Water Pump

ES#11064 - 11287837898 - Accessory Belt - Alternator/Water Pump - Keep your accessories turning - Continental - BMW

Keep your accessories turning We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
11064
Mfg#:
11287837898
In Stock
$31.22

This product was last offered at the strikethrough price on
06-11-2026

$19.53 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Power Pulley Kit

ES#3148226 - ppke36KT - Turner Motorsport Power Pulley Kit - Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises! - Turner Motorsport - BMW

Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises! 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with Bosch alternator only

Brand:
Turner Motorsport - Corporate Logo
ES#:
3148226
Mfg#:
PPKE36KT
In Stock
ON SALE! SAVE 15%
$382.99

This product was last offered at the strikethrough price on
06-13-2026

$325.54 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Red Kevlar Accessory Belt - Water Pump/Alternator

ES#4661032 - 6PK1555 - ECS Red Kevlar Accessory Belt - Water Pump/Alternator - 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#:
4661032
Mfg#:
6PK1555
In Stock
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Pulley

ES#24456 - 11517838676 - Water Pump Pulley - Plastic pulley, which should be replaced each time with the water pump - Genuine BMW - BMW

Plastic pulley, which should be replaced each time with the water pump

Brand:
Genuine BMW - Corporate Logo
ES#:
24456
Mfg#:
11517838676
Ships in 3 Business 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.

$118.99

This product was last offered at the strikethrough price on
07-20-2026

$111.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport S65 Power Pulley Kit

ES#3251754 - ppk-s65-lKT - Turner Motorsport S65 Power Pulley Kit - Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises! - Turner Motorsport - BMW

Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises! 10X Entries For Our 25th Anniversary Sweepstakes!
Adds up to 10-14hp and 7-9ft/lbs torque on a stock M3
For vehicles with a production date from 05/2008+ & a counterclockwise rotating Power Steering Pump

Brand:
Turner Motorsport - Corporate Logo
ES#:
3251754
Mfg#:
PPK-S65-LKT
Ships on Dec 18, 2026
Auto Notify
ON SALE! SAVE 25%
$546.99

This product was last offered at the strikethrough price on
06-13-2026

$410.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Kevlar Reinforced Belt - S55

ES#4485243 - 8pk1398 - Performance Kevlar Reinforced Belt - S55 - 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#:
4485243
Mfg#:
8PK1398
In Stock
$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VAC Harmonic SuperDamper By ATI - M50/S50/M52/S52

ES#4335467 - VAC-HPCD-M50-TR - VAC Harmonic SuperDamper By ATI - M50/S50/M52/S52 - Isolate harmonics before they can destroy your engine - ATI Performance Products - BMW

Isolate harmonics before they can destroy your engine For use only with OBD1 engine management systems. Will not work with S50B30 & S50B32 Euro Engines.

Brand:
ATI Performance Products - Corporate Logo
ES#:
4335467
Mfg#:
VAC-HPCD-M50-TR
Ships on Aug 5, 2026
$1139.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Pulley Parts

Pulleys drive accessories essential to vehicle operation. Whether you need to install a stock original equipment pulley during a repair, or improve engine performance and appearance with a lightweight aluminum or underdrive pulley, count on ECS Tuning for pulley solutions that work.

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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