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BMW Engine Pulley Parts

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Mechanical A/C Belt Tensioner Assembly

ES#2528731 - 11287512758 - 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#:
2528731
Mfg#:
11287512758
In Stock
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Service Kit

ES#3658420 - 11287636367KT - 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#:
3658420
Mfg#:
11287636367KT
Back Ordered
ON SALE! SAVE 16%
$1014.99

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

$849.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Assembly

ES#2873679 - 11287838797 - Hydraulic Alternator Belt Tensioner Assembly - Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley - Febi - BMW
ECS Tuning recommends this product.

Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873679
Mfg#:
11287838797
Ships on Jan 22, 2027
$83.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ATI Super Damper / Harmonic Balancer - Stock Size

Protect your engine against harmful harmonics at all RPM levels

Brand:
ATI - Corporate Logo
ES#:
4931465
Mfg#:
918573
In Stock at Vendor
$418.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit Service Kit

ES#2593600 - 11281437450KT - Accessory Belt Kit Service Kit - Utilizes all genuine BMW components - includes updated hydraulic alternator tensioner - Genuine BMW - BMW

Utilizes all genuine BMW components - includes updated hydraulic alternator tensioner For vehicles with production date up to 09/2002

Brand:
Genuine BMW - Corporate Logo
ES#:
2593600
Mfg#:
11281437450KT
Ships in 1-2 days
$821.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Service Kit

ES#3658464 - 11287636368KT - 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
For vehicles with production date from 09/1998

Brand:
Assembled By ECS - Corporate Logo
ES#:
3658464
Mfg#:
11287636368KT
Ships on Nov 13, 2026
$820.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#4005016 - 11287803476 - Accessory Belt - Alternator & water pump belt - Continental - BMW

Alternator & water pump belt We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
4005016
Mfg#:
11287803476
Ships in 1-2 days
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit Service Kit

ES#2598805 - 11287512762KT - Accessory Belt Kit Service Kit - Utilizes all genuine BMW components - includes updated hydraulic alternator tensioner - Genuine BMW - BMW

Utilizes all genuine BMW components - includes updated hydraulic alternator tensioner For vehicles with production date from 09/2002

Brand:
Genuine BMW - Corporate Logo
ES#:
2598805
Mfg#:
11287512762KT
Ships in 1-2 days
$813.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crank pulley/Vibration Damper

ES#20526 - 11231738620 - Crank pulley/Vibration Damper - Drives accessories; located at the end of the crankshaft - Genuine BMW - BMW

Drives accessories; located at the end of the crankshaft For vehicles with a production date up to 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
20526
Mfg#:
11231738620
Special Order: No Guaranteed ETA
2% off MSRP

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

$826.99

This product was last offered at the strikethrough price on
10-24-2026

$810.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport S65 Power Pulley Kit

ES#3419798 - ppk-s65-eKT - 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 Into Our F80 M3 Sweepstakes
Adds up to 10-14hp and 7-9ft/lbs torque on a stock M3 | For vehicles with production date up to 04/2008
For vehicles with production date up to 05/2008 & a closckwise rotating Power Steering pump

Brand:
Turner Motorsport - Corporate Logo
ES#:
3419798
Mfg#:
PPK-S65-EKT
Ships in 1 Business Day
ON SALE! SAVE 25%
$535.99

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

$401.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#976 - 6PK1153 - Accessory Belt - Replace your worn out belt to ensure you aren't left stranded on the side of the road - Continental - BMW Volkswagen

Replace your worn out belt to ensure you aren't left stranded on the side of the road We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
976
Mfg#:
6PK1153
In Stock
$25.99

This product was last offered at the strikethrough price on
09-02-2026

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crank hub

ES#20560 - 11237570107 - Crank hub - Hub that mounts the crank pulley - Genuine BMW - BMW

Hub that mounts the crank pulley

Brand:
Genuine BMW - Corporate Logo
ES#:
20560
Mfg#:
11237570107
Ships in 1-2 days
5% off MSRP

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

$167.00

This product was last offered at the strikethrough price on
10-24-2026

$157.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rogue Engineering Power Pulley Kit

ES#3546879 - PP.S54 - Rogue Engineering Power Pulley Kit - Reduce rotating mass and lower weight to free-up hidden horsepower. - Rogue Engineering - BMW

Reduce rotating mass and lower weight to free-up hidden horsepower.

Brand:
Rogue Engineering - Corporate Logo
ES#:
3546879
Mfg#:
PP.S54
In Stock
$259.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S55 "Bulletproof" Crank Kit

ES#4365387 - ECSs55bpKT - S55 "Bulletproof" Crank Kit - .or at least as "Bulletproof" as your F8X S55 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 F8X S55 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

Brand:
Assembled By ECS - Corporate Logo
ES#:
4365387
Mfg#:
ECSS55BPKT
Ships on Jan 8, 2027
ON SALE!
$794.99

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

$776.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Idler Pulley for Water Pump / Alternator Belt

ES#3673362 - 5320293100 - Idler Pulley for Water Pump / Alternator Belt - Keep your alternator turning properly. - Ina - BMW

Keep your alternator turning properly. We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3673362
Mfg#:
5320293100
Ships in 1-2 days
$32.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#257172 - 11281432724 - Accessory Belt - Driver the water pump, power steering, and alternator. - Continental - BMW

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

Brand:
Continental - Corporate Logo
ES#:
257172
Mfg#:
11281432724
Ships in 6 Business Days
$30.99 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.

Other BMW Engine Pulley 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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