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BMW 335i Engine Pulley Parts

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N55 (F-Chassis) Crank Seal Guard & Performance Kevlar-Reinforced Accessory Belt

ES#4876647 - 049453LA01-02KT6 - N55 (F-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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876647
Mfg#:
049453LA01-02KT6
Ships in 1 Business Day
ON SALE! SAVE 48%
$180.99

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

$95.00 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2228184
Mfg#:
11287628652
In Stock
9% 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
06-03-2026

$57.99 USD
Free Shipping
on orders $49 and up
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876650
Mfg#:
049453LA01-02KT7
In Stock
ON SALE! SAVE 45%
$178.98

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

$99.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Deflection Pulley

ES#4830650 - 11288673720 - Deflection Pulley - Directs the accessory serpentine belt. - Bremmen Parts - BMW

Directs the accessory serpentine belt. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4830650
Mfg#:
11288673720
Ships in 8 Business Days
ON SALE! SAVE 10%
$27.99

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

$25.19 USD
Free Shipping
on orders $49 and up
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 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#:
2593863
Mfg#:
11287556251
In Stock
$41.86

This product was last offered at the strikethrough price on
03-25-2026

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VAC V2 Harmonic SuperDamper By ATI - N54

ES#4335469 - VAC-HPCD-N54 - VAC V2 Harmonic SuperDamper By ATI - N54 - Isolate harmonics before they can destroy your engine - The Updated V2 VAC Motorsports Harmonic Damper is capable of 9,500 RPM - ATI Performance Products - BMW

Isolate harmonics before they can destroy your engine - The Updated V2 VAC Motorsports Harmonic Damper is capable of 9,500 RPM affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ATI Performance Products - Corporate Logo
ES#:
4335469
Mfg#:
VAC-HPCD-N54
In Stock
$1059.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
20561
Mfg#:
11237572788
Ships in 1-2 days
10% 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
06-03-2026

$713.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2714083
Mfg#:
11288604266
Ships in 1-2 days
7% 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
06-03-2026

$167.99 USD
Free Shipping
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. 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#:
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#19913 - 11211439395 - Hex Bolt - The center bolt for the crank pulley - Genuine BMW - BMW

The center bolt for the crank pulley affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
06-03-2026

$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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 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#:
3131378
Mfg#:
11287578675
In Stock
$40.99

This product was last offered at the strikethrough price on
12-10-2025

$34.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2681866
Mfg#:
11287582946KT
Ships in 1-2 days
$444.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N54 "Bulletproof" Crank Kit

ES#4365384 - ECSn54bpKT - 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. - 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. 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#:
4365384
Mfg#:
ECSN54BPKT
Back Ordered
Auto Notify
ON SALE!
$590.99

This product was last offered at the strikethrough price on
04-13-2026

$558.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Crankshaft hub

ES#264239 - 11237593701 - Crankshaft hub - Hub at end of crankshaft vibration damper bolts to - Genuine BMW - BMW

Hub at end of crankshaft vibration damper bolts to affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
264239
Mfg#:
11237593701
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.

$109.99

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

$102.99 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! 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#:
4642987
Mfg#:
ECSF30N55BPKRKT
Ships in 8 Business Days
ON SALE!
$520.99

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

$500.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Accessory Belt Tensioner Assembly

ES#3450773 - 11287563927 - Accessory Belt Tensioner Assembly - This is the main belt tensioner for A/C, Alternator, and power steering. - URO - BMW

This is the main belt tensioner for A/C, Alternator, and power steering. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3450773
Mfg#:
11287563927
In Stock
$60.99 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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