Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

BMW E70 Engine Pulley Parts

Sort By
Filter By
Return to Top

Belt Tensioner

ES#21755 - 11287545296 - Belt Tensioner - Applies pressure to the drive belt that operates the water pump and alternator - Genuine BMW - BMW

Applies pressure to the drive belt that operates the water pump and alternator Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
21755
Mfg#:
11287545296
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
10-26-2026

$168.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Drive Belt Service Kit

ES#2681008 - 11287530314KT1 - Accessory Drive Belt Service Kit - Utilizes OEM components - Genuine BMW - BMW

Utilizes OEM components Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
This is for vehicles without 4 zone auto climate control

Brand:
Genuine BMW - Corporate Logo
ES#:
2681008
Mfg#:
11287530314KT1
Ships in 1-2 days
$306.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Deflection Pulley

ES#21756 - 11287545297 - Deflection Pulley - Also known as an idler pulley - Genuine BMW - BMW

Also known as an idler pulley Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
21756
Mfg#:
11287545297
Ships in 4 Business Days
9% off MSRP

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

$78.99

This product was last offered at the strikethrough price on
10-26-2026

$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt With Washer

ES#14735 - 07119905525 - Hex Bolt With Washer - M6x14 - Genuine BMW - BMW MINI

M6x14 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
14735
Mfg#:
07119905525
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Pulley

ES#29756 - 12317560678 - Alternator Pulley - Does not include any securing hardware - Genuine BMW - BMW

Does not include any securing hardware Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
29756
Mfg#:
12317560678
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.

$141.99

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

$138.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Deflection Pulley - Priced Each

ES#254053 - 11287799859 - Deflection Pulley - Priced Each - Accessory drive belt idler pulley - Genuine BMW - BMW

Accessory drive belt idler pulley Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
254053
Mfg#:
11287799859
Ships in 1-2 days
9% off MSRP

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

$74.99

This product was last offered at the strikethrough price on
10-26-2026

$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belt Tensioner Assembly

ES#2879328 - 11287530314 - Belt Tensioner Assembly - Complete tensioner assembly - Vaico - BMW

Complete tensioner assembly Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2879328
Mfg#:
11287530314
Ships in 1 Business Day
$131.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belt Tensioner with Pulleys

ES#5481682 - N55BMWKT3 - Belt Tensioner with Pulleys - Constant RPM changes take a massive toll on your engine's accessory drive components. The bearings dry out, the internal springs weaken, and failure becomes a matter of when, not if. - Assembled By ECS - BMW

Constant RPM changes take a massive toll on your engine's accessory drive components. The bearings dry out, the internal springs weaken, and failure becomes a matter of when, not if. 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481682
Mfg#:
N55BMWKT3
In Stock
ON SALE!
$138.99

This product was last offered at the strikethrough price on
09-30-2026

$128.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Drive Belt Service Kit

ES#2739449 - 11287552084KT - Accessory Drive Belt Service Kit - A mix of high-quality aftermarket parts, and genuine BMW parts - Assembled By ECS - BMW

A mix of high-quality aftermarket parts, and genuine BMW parts 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For vehicles with automatic climate control with 4 zone control

Brand:
Assembled By ECS - Corporate Logo
ES#:
2739449
Mfg#:
11287552084KT
Ships on Feb 22, 2027
$256.99

This product was last offered at the strikethrough price on
09-30-2026

$255.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Belt Tensioner Assembly

ES#4017616 - 11287530314 - Belt Tensioner Assembly - Complete tensioner assembly - URO - BMW

Complete tensioner assembly 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4017616
Mfg#:
11287530314
Ships in 1 Business Day
$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pulley Puller

ES#4371952 - W80653 - Pulley Puller - Pulls pressed on 1 and 2 groove pulleys on alternators and power steering pumps. - Performance Tool - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Pulls pressed on 1 and 2 groove pulleys on alternators and power steering pumps. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Performance Tool - Corporate Logo
ES#:
4371952
Mfg#:
W80653
Ships in 1 Business Day
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Pulley Bolt & Assembly Hook Kit

ES#5481924 - 11m8x20KT - Crankshaft Pulley Bolt & Assembly Hook Kit - Ensure your engine overhaul or timing assembly is completed to the highest standards with this Genuine BMW Crankshaft Pulley Bolt and Assembly Hook Kit. - Genuine BMW - BMW

Ensure your engine overhaul or timing assembly is completed to the highest standards with this Genuine BMW Crankshaft Pulley Bolt and Assembly Hook Kit. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
5481924
Mfg#:
11M8X20KT
Ships in 1-2 days
$79.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical Belt Tensioner

ES#2866981 - 11287799851 - Mechanical Belt Tensioner - Mechanical belt tensioner for the alternator, A/C and power steering system - Febi - BMW

Mechanical belt tensioner for the alternator, A/C and power steering system Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2866981
Mfg#:
11287799851
Ships in 1 Business Day
$115.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Accessory Belt Kit - Kevlar Reinforced

ES#4736947 - 11287631824KKT - Performance Accessory Belt Kit - Kevlar Reinforced - Utilizes high quality components and our performance Kevlar reinforced belt - Assembled By ECS - BMW

Utilizes high quality components and our performance Kevlar reinforced belt 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
4736947
Mfg#:
11287631824KKT
In Stock
ON SALE! SAVE 18%
$130.99

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

$107.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#2770896 - 11287631824 - Accessory Belt - Drive belt that operates the water pump and alternator - Continental - BMW

Drive belt that operates the water pump and alternator Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2770896
Mfg#:
11287631824
Ships on Dec 22, 2026
$21.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Idler Pulley

ES#4759324 - 11288673720 - Idler Pulley - Directs the accessory serpentine belt. - URO - BMW

Directs the accessory serpentine belt. 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4759324
Mfg#:
11288673720
In Stock
$29.99 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

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings