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BMW M5 Engine Pulley Parts

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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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

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

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
21803
Mfg#:
11287835417
Ships in 1-3 days
4% off MSRP

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

$165.99

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

$158.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bosch Alternator Tool Kit - 13 Pieces

ES#11415 - bta-13pcs - Bosch Alternator Tool Kit - 13 Pieces - Remove and install OAD alternator pulleys - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Remove and install OAD alternator pulleys affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
11415
Mfg#:
BTA-13PCS
In Stock
ON SALE! SAVE 30%
$78.99

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

$55.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belt Tensioner

ES#254045 - 11287549873 - Belt Tensioner - Replace a damaged tensioner to restore operation to your belt driven accessories - Genuine BMW - BMW

Replace a damaged tensioner to restore operation to your belt driven accessories affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
254045
Mfg#:
11287549873
Ships in 1-3 days
4% 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
04-06-2026

$171.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E39 M5 Accessory Belt Tensioner Pulley Assembly

ES#21705 - 11282248214 - E39 M5 Accessory Belt Tensioner Pulley Assembly - Tensioner for the water pump, alternator and power steering belt. Does not include hydraulic tensioner. - Genuine BMW - BMW

Tensioner for the water pump, alternator and power steering belt. Does not include hydraulic tensioner. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
21705
Mfg#:
11282248214
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.

$446.99

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

$422.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport S85 Power Pulley Kit

ES#3184457 - ppk-s85KT - Turner Motorsport S85 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Adds up to 18 to 22 HP and 17 to 21 Ft/lbs torque on a stock M5 or M6!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3184457
Mfg#:
PPK-S85KT
Ships on Jun 30, 2026
Auto Notify
ON SALE! SAVE 30%
$440.99

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

$308.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit

ES#3658419 - 11287549873KT - Accessory Belt Kit - Utilizes Genuine BMW components - Genuine BMW - BMW

Utilizes Genuine BMW components affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3658419
Mfg#:
11287549873KT
Ships in 1-2 days
$257.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E39 M5 A/C Belt Tensioner Pulley Assembly

ES#2628541 - 11281407520 - E39 M5 A/C Belt Tensioner Pulley Assembly - Does not include hydraulic tensioner - Ina - BMW

Does not include hydraulic tensioner affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 09/1997

Brand:
Ina - Corporate Logo
ES#:
2628541
Mfg#:
11281407520
In Stock
$60.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818523
Mfg#:
11287841228
Ships in 1 Business Day
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

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
06-03-2026

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

Accessory Belt Hydraulic Tensioner

ES#2628544 - 11281709613 - Accessory Belt Hydraulic Tensioner - Hydraulic tensioner for alternator, water pump and power steering belt, ideal for servicing high mileage tensioner - Ina - BMW

Hydraulic tensioner for alternator, water pump and power steering belt, ideal for servicing high mileage tensioner affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2628544
Mfg#:
11281709613
In Stock
$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Ultimate Power Pulley And Drive Belt Overhaul System

ES#3521543 - uppk-s85KT - Turner Motorsport Ultimate Power Pulley And Drive Belt Overhaul System - Includes accessory drive belt system overhaul kit - Assembled By ECS - BMW

Includes accessory drive belt system overhaul kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3521543
Mfg#:
UPPK-S85KT
Ships on Jun 30, 2026
Auto Notify
ON SALE!
$1353.58

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

$1326.88 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner Pulley

ES#21815 - 11287839135 - Accessory Belt Tensioner Pulley - Includes belt tensioner pulley & lever - Genuine BMW - BMW

Includes belt tensioner pulley & lever affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
21815
Mfg#:
11287839135
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.

$229.99

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

$216.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner Pulley

ES#21814 - 11287839133 - Accessory Belt Tensioner Pulley - Includes belt tensioner pulley & lever - Genuine BMW - BMW

Includes belt tensioner pulley & lever affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
21814
Mfg#:
11287839133
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.

$229.99

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

$216.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit

ES#2695559 - 11282248214KT - Accessory Belt Kit - Utilizes Genuine BMW components - Genuine BMW - BMW

Utilizes Genuine BMW components affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2695559
Mfg#:
11282248214KT
Ships in 8 Business Days
$1070.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

A/C Belt Hydraulic Tensioner

ES#2628542 - 11281745545 - A/C Belt Hydraulic Tensioner - Provides tension between crank pulley and A/C compressor - Ina - BMW

Provides tension between crank pulley and A/C compressor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2628542
Mfg#:
11281745545
In Stock
$50.99

This product was last offered at the strikethrough price on
03-05-2026

$49.99 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

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

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