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BMW 335i Engine Pulley Parts

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Crankshaft Vibration Damper

ES#4781517 - 11237573655 - Crankshaft Vibration Damper - Also referred to as a harmonic balancer - URO - BMW

Also referred to as a harmonic balancer 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4781517
Mfg#:
11237573655
In Stock
$341.99 USD
Free Shipping
on orders $49 and up
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 10X Entries Into Our F80 M3 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

Idler Pulley

ES#3184303 - 11288673720 - Idler Pulley - Directs the accessory serpentine belt. - Ina - BMW
ECS Tuning recommends this product.

Directs the accessory serpentine belt. We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3184303
Mfg#:
11288673720
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Harmonic Balancer (Crank Pulley)

ES#20561 - 11237572788 - Harmonic Balancer (Crank Pulley) - Bolted directly to the crankshaft, acts as a belt drive - Genuine BMW - BMW

Bolted directly to the crankshaft, acts as a belt drive

Brand:
Genuine BMW - Corporate Logo
ES#:
20561
Mfg#:
11237572788
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.

$524.99

This product was last offered at the strikethrough price on
09-03-2026

$514.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N55 "Bulletproof" Crank Kit

ES#4642987 - ECSF30N55BPKRKT - N55 "Bulletproof" Crank Kit - .or at least as "Bulletproof" as your F3X 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 F3X 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#:
4642987
Mfg#:
ECSF30N55BPKRKT
Ships on Feb 23, 2027
ON SALE!
$520.99

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

$495.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

N55 "Bulletproof" Crank Kit

ES#4660307 - ECSF30N55BP540KT - N55 "Bulletproof" Crank Kit - .or at least as "Bulletproof" as your F3X 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. - Assembled By ECS - BMW

...or at least as "Bulletproof" as your F3X 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. 10X Entries Into Our F80 M3 Sweepstakes
Includes 5w-40 oil which is a slighty higher viscosity than recommended by BMW - great for performance ap

Brand:
Assembled By ECS - Corporate Logo
ES#:
4660307
Mfg#:
ECSF30N55BP540KT
In Stock
ON SALE!
$503.99

This product was last offered at the strikethrough price on
06-16-2026

$478.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Idler Pulley

ES#3131378 - 11287578675 - Idler Pulley - An important belt drive component - Ina - BMW
ECS Tuning recommends this product.

An important belt drive component We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3131378
Mfg#:
11287578675
In Stock
$42.99

This product was last offered at the strikethrough price on
10-16-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#2562556 - 11287568247 - Accessory Belt - Drives power steering pump, alternator and A/C compressor - Continental - BMW
ECS Tuning recommends this product.

Drives power steering pump, alternator and A/C compressor We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2562556
Mfg#:
11287568247
In Stock
$36.44

This product was last offered at the strikethrough price on
04-28-2026

$28.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit

ES#2681866 - 11287582946KT - Accessory Belt Kit - Everything you need to service your belt drive system using genuine BMW components - Genuine BMW - BMW

Everything you need to service your belt drive system using genuine BMW components

Brand:
Genuine BMW - Corporate Logo
ES#:
2681866
Mfg#:
11287582946KT
Ships in 1-2 days
$449.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Harmonic Balancer (Crank Pulley)

ES#20416 - 11227558083 - Harmonic Balancer (Crank Pulley) - Bolted directly to the crankshaft, acts as a belt drive - Genuine BMW - BMW

Bolted directly to the crankshaft, acts as a belt drive For vehicles with automatic transmission only

Brand:
Genuine BMW - Corporate Logo
ES#:
20416
Mfg#:
11227558083
Ships in 9 Business 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.

$524.99

This product was last offered at the strikethrough price on
09-03-2026

$514.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner Assembly

ES#2714083 - 11288604266 - Accessory Belt Tensioner Assembly - This is the main belt tensioner for A/C, power steering and alternator - Genuine BMW - BMW

This is the main belt tensioner for A/C, power steering and alternator

Brand:
Genuine BMW - Corporate Logo
ES#:
2714083
Mfg#:
11288604266
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.

$179.99

This product was last offered at the strikethrough price on
10-21-2026

$168.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upper Idler Pulley

ES#2593863 - 11287556251 - Upper Idler Pulley - The higher idler pulley - Ina - BMW
ECS Tuning recommends this product.

The higher idler pulley We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2593863
Mfg#:
11287556251
In Stock
$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt

ES#19913 - 11211439395 - Hex Bolt - The center bolt for the crank pulley - Genuine BMW - BMW

The center bolt for the crank pulley

Brand:
Genuine BMW - Corporate Logo
ES#:
19913
Mfg#:
11211439395
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.

$26.99

This product was last offered at the strikethrough price on
10-21-2026

$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Idler Pulley

ES#2580611 - 11287557851 - Lower Idler Pulley - The lowest of the idler pulleys on the accessory drive belt. - Ina - BMW
ECS Tuning recommends this product.

The lowest of the idler pulleys on the accessory drive belt. We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2580611
Mfg#:
11287557851
In Stock
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt

ES#4689986 - 11211439395 - Hex Bolt - The center bolt for the crank pulley - Bavarian Autosport - BMW

The center bolt for the crank pulley 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4689986
Mfg#:
11211439395
Ships on Nov 16, 2026
ON SALE! SAVE 11%
$18.99

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

$16.99 USD
Free Shipping
on orders $49 and up

Vibration Damper Bolt

ES#2100512 - 11217573672 - Vibration Damper Bolt - Replace this anytime the damper is removed. - Genuine BMW - BMW

Replace this anytime the damper is removed.

Brand:
Genuine BMW - Corporate Logo
ES#:
2100512
Mfg#:
11217573672
In Stock
$17.55 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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