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BMW M3 Engine Pulley Parts

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Belt Tensioner Conversion Kit

ES#4164847 - 11287838797K - Belt Tensioner Conversion Kit - Update from a mechanical tensioner to a hydraulic style tensioner - URO - BMW

Update from a mechanical tensioner to a hydraulic style tensioner 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4164847
Mfg#:
11287838797K
Back Ordered
$82.99 USD
Free Shipping
on orders $49 and up

E46 M3 Accessory Belt - Air Conditioner

ES#11063 - 11287830946 - E46 M3 Accessory Belt - Air Conditioner - 5pk-829 - Continental - BMW

5pk-829 We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
11063
Mfg#:
11287830946
Ships in 1-2 days
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Assembly

ES#21813 - 11287838797 - Hydraulic Alternator Belt Tensioner Assembly - Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley - Genuine BMW - BMW

Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley

Brand:
Genuine BMW - Corporate Logo
ES#:
21813
Mfg#:
11287838797
Ships in 1-2 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.

$304.99

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

$286.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Roller

ES#21691 - 11281748131 - Hydraulic Alternator Belt Tensioner Roller - Replacement is recommend with every belt service - Genuine BMW - BMW

Replacement is recommend with every belt service

Brand:
Genuine BMW - Corporate Logo
ES#:
21691
Mfg#:
11281748131
In Stock
4% off MSRP

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

$82.54

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

$78.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt - Air Conditioner

ES#21796 - 11287830946 - Accessory Belt - Air Conditioner - 5pk-829 - Genuine BMW - BMW

5pk-829

Brand:
Genuine BMW - Corporate Logo
ES#:
21796
Mfg#:
11287830946
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.

$64.99

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

$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport S54 Power Pulley Kit

ES#3082345 - PPK-S54-A-TKT - Turner Motorsport S54 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

Brand:
Turner Motorsport - Corporate Logo
ES#:
3082345
Mfg#:
PPK-S54-A-TKT
Ships in 1 Business Day
ON SALE! SAVE 25%
$354.99

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

$266.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Water Pump Pulley Kit

ES#2718229 - 002778ECS01AKT - Aluminum Water Pump Pulley Kit - Includes belt and hardware - Assembled By ECS - BMW

Includes belt and hardware 10X Entries Into Our F80 M3 Sweepstakes
A "bolt on and go" answer to a weak, unattractive water pump pulley

Brand:
Assembled By ECS - Corporate Logo
ES#:
2718229
Mfg#:
002778ECS01AKT
Ships on Dec 18, 2026
$86.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Kevlar Reinforced Accessory Belt - F8X S55

ES#4661012 - 4PK685 - Performance Kevlar Reinforced Accessory Belt - F8X 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 Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4661012
Mfg#:
4PK685
In Stock
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S55 Crank Seal Guard & Performance Kevlar-Reinforced Accessory Belt

ES#4876645 - 049453LA01-02KT5 - S55 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#:
4876645
Mfg#:
049453LA01-02KT5
Ships on Nov 12, 2026
ON SALE! SAVE 41%
$170.99

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

$101.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Harmonic Balancer Puller and Installer Set

ES#4372117 - W89711 - Harmonic Balancer Puller and Installer Set - For removal and installation of harmonic balancers on most automotive and light truck applications. - Performance Tool - Audi BMW Volkswagen Mercedes Benz MINI Porsche

For removal and installation of harmonic balancers on most automotive and light truck applications.

Brand:
Performance Tool - Corporate Logo
ES#:
4372117
Mfg#:
W89711
Ships in 2 Business Days
$166.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#2733921 - 11287848605 - Accessory Belt - Replaces your cracked or worn belt - Genuine BMW - BMW

Replaces your cracked or worn belt

Brand:
Genuine BMW - Corporate Logo
ES#:
2733921
Mfg#:
11287848605
In Stock
7% off MSRP

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

$75.99

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

$70.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drive Belt Tensioner Pulley - Water Pump/Alternator

ES#4820371 - 11287838194KT - Drive Belt Tensioner Pulley - Water Pump/Alternator - Replacement pulley for your accessory belt tensioner - Doesn not include the arm or hydraulic tensioner - Ina - BMW

Replacement pulley for your accessory belt tensioner - Doesn not include the arm or hydraulic tensioner We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
4820371
Mfg#:
11287838194KT
In Stock
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Power Steering Pump Pulley

ES#55352 - 32421722555 - Power Steering Pump Pulley - Driven by serpentine accessory belt - Genuine BMW - BMW

Driven by serpentine accessory belt

Brand:
Genuine BMW - Corporate Logo
ES#:
55352
Mfg#:
32421722555
Ships in 1-2 days
2% off MSRP

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

$488.99

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

$477.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fillister Head Screw - M10x25mm

ES#16139 - 07129905534 - Fillister Head Screw - M10x25mm - Secures roller to hydraulic alternator belt tensioner assembly - Genuine BMW - BMW

Secures roller to hydraulic alternator belt tensioner assembly

Brand:
Genuine BMW - Corporate Logo
ES#:
16139
Mfg#:
07129905534
In Stock
$4.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Pulley Outer

ES#20517 - 11231722553 - Crankshaft Pulley Outer - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
20517
Mfg#:
11231722553
Ships in 7 Business Days
1% off MSRP

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

$472.99

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

$469.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AFe Power Pulley

ES#2532824 - 79-10002 - AFe Power Pulley - Bolt-on performance in minutes! - AFE - BMW

Bolt-on performance in minutes! For vehicles with a production date from 05/2008+ & a counterclockwise rotating Power Steering Pump

Brand:
AFE - Corporate Logo
ES#:
2532824
Mfg#:
79-10002
Ships in 4 Business Days
ON SALE!
$468.00

This product was last offered at the strikethrough price on
10-19-2026

$444.60 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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