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BMW E90 Engine Pulley Parts

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Performance Underdrive Pulley Kit - E9X M3 (06/08+ 6-Speed, All DCT)

ES#4066944 - 10.00.011 - Performance Underdrive Pulley Kit - E9X M3 (06/08+ 6-Speed, All DCT) - Free additional power to your M3s rear wheels without sacrificing or compromising your BMWs reliability. - Macht Schnell - BMW

Free additional power to your M3’s rear wheels without sacrificing or compromising your BMW’s reliability. For vehicles with a production date from 05/2008+ & a counterclockwise rotating Power Steering Pump

Brand:
Macht Schnell - Corporate Logo
ES#:
4066944
Mfg#:
10.00.011
Ships in 5 Business Days
$349.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner Assembly

ES#2580613 - 11287563927 - Accessory Belt Tensioner Assembly - This is the main belt tensioner for A/C, Alternator, and power steering. - Ina - BMW
ECS Tuning recommends this product.

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

Brand:
Ina - Corporate Logo
ES#:
2580613
Mfg#:
11287563927
In Stock
$72.50 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Accessory Belt Kit - Kevlar Reinforced

ES#4636401 - 11287530314KBKT - Performance Accessory Belt Kit - Kevlar Reinforced - Utilizes high quality components and our performance Kevlar reinforced belt - Assembled By ECS - BMW

Utilizes high quality components and our performance Kevlar reinforced belt 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4636401
Mfg#:
11287530314KBKT
In Stock
ON SALE! SAVE 18%
$127.99

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

$104.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Belt Tensioner

ES#21803 - 11287835417 - Hydraulic Belt Tensioner - Hydraulic tensioner for water pump belt, just tensioner, does not come with relay lever assembly - Genuine BMW - BMW

Hydraulic tensioner for water pump belt, just tensioner, does not come with relay lever assembly

Brand:
Genuine BMW - Corporate Logo
ES#:
21803
Mfg#:
11287835417
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.

$193.99

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

$187.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N55 "Bulletproof" Crank Kit

ES#4642986 - ECSEN55BPKRKT - N55 "Bulletproof" Crank Kit - .or at least as "Bulletproof" as your E9X 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. Featuring Kevlar reinforced belt! - Assembled By ECS - BMW

...or at least as "Bulletproof" as your E9X 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. Featuring Kevlar reinforced belt! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4642986
Mfg#:
ECSEN55BPKRKT
Ships on Dec 8, 2026
ON SALE!
$608.99

This product was last offered at the strikethrough price on
09-01-2026

$585.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Idler Pulley

ES#259465 - 11287841228 - Idler Pulley - Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems - Ina - BMW
ECS Tuning recommends this product.

Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems We Price Match - Give Us A Call or Chat!
For vehicles with a production date up to 04/2008

Brand:
Ina - Corporate Logo
ES#:
259465
Mfg#:
11287841228
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belt Tensioner Assembly

ES#2681004 - 11287530314 - Belt Tensioner Assembly - Complete tensioner assembly - Ina - BMW
ECS Tuning recommends this product.

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

Brand:
Ina - Corporate Logo
ES#:
2681004
Mfg#:
11287530314
In Stock
$84.99

This product was last offered at the strikethrough price on
08-12-2026

$59.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N54/N55 (E-Chassis) Crank Seal Guard & Performance Kevlar-Reinforced Accessory Belt

ES#4876650 - 049453LA01-02KT7 - N54/N55 (E-Chassis) Crank Seal Guard & Performance Kevlar-Reinforced Accessory Belt - Protect your engine from catastrophic damage and upgrade your accessory belt with this Enthusiast Bundle! - Enthusiast Bundles - BMW

Protect your engine from catastrophic damage and upgrade your accessory belt with this Enthusiast Bundle! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876650
Mfg#:
049453LA01-02KT7
Ships on Dec 8, 2026
ON SALE! SAVE 43%
$178.98

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

$101.21 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#2228184 - 11287628652 - Accessory Belt - Drives power steering pump, alternator and A/C compressor - Genuine BMW - BMW

Drives power steering pump, alternator and A/C compressor

Brand:
Genuine BMW - Corporate Logo
ES#:
2228184
Mfg#:
11287628652
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.

$63.99

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

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Kevlar Reinforced Belt - N55 E Chassis/ N54 E61 E84

ES#4485241 - 7pk1860 - Performance Kevlar Reinforced Belt - N55 E Chassis/ N54 E61 E84 - 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 Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4485241
Mfg#:
7PK1860
Ships on Dec 8, 2026
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Pulley With Vibration Damper

ES#2703049 - 11238511371 - Crankshaft Pulley With Vibration Damper - Reduces vibrations and connects accessories - Febi - BMW

Reduces vibrations and connects accessories We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2703049
Mfg#:
11238511371
Back Ordered
$317.99 USD
Free Shipping

N54 "Bulletproof" Crank Kit

ES#4642990 - ECSN54BPKRKT - N54 "Bulletproof" Crank Kit - .or at least as "Bulletproof" as your N54 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. Featuring Kevlar reinforced belt! - Assembled By ECS - BMW

...or at least as "Bulletproof" as your N54 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. Featuring Kevlar reinforced belt! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4642990
Mfg#:
ECSN54BPKRKT
Ships on Dec 8, 2026
ON SALE!
$574.99

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

$544.53 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Belt Tensioner Assembly

ES#4830551 - 11287530314 - Belt Tensioner Assembly - Complete tensioner assembly - Bremmen Parts - BMW

Complete tensioner assembly 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4830551
Mfg#:
11287530314
In Stock
ON SALE! SAVE 21%
$54.99

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

$43.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crank Pulley With Harmonic Balancer

ES#2100514 - 11237576675 - Crank Pulley With Harmonic Balancer - Drives accessories; located at the end of the crankshaft - Genuine BMW - BMW

Drives accessories; located at the end of the crankshaft

Brand:
Genuine BMW - Corporate Logo
ES#:
2100514
Mfg#:
11237576675
Ships in 1-2 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.

$789.99

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

$723.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Power Steering Pulley - Priced Each

ES#4019981 - 32427553955PRM - Aluminum Power Steering Pulley - Priced Each - Replacement pulley for the power steering system - URO Premium - BMW
ECS Tuning recommends this product.

Replacement pulley for the power steering system 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO Premium - Corporate Logo
ES#:
4019981
Mfg#:
32427553955PRM
In Stock
$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Pulley With Vibration Damper

ES#5339934 - 11238511371 - Crankshaft Pulley With Vibration Damper - Reduces vibrations and connects accessories - Bremmen Parts - BMW

Reduces vibrations and connects accessories 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5339934
Mfg#:
11238511371
Ships on Apr 12, 2027
ON SALE! SAVE 10%
$319.99

This product was last offered at the strikethrough price on
08-18-2026

$287.99 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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