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 A/C Belt Tensioners

Sort By
Filter By
Return to Top

Accessory Belt Tensioner Assembly

ES#3131376 - 11287582946 - Accessory Belt Tensioner Assembly - Mechanical belt tensioner for the A/C and power steering system - Ina - BMW
ECS Tuning recommends this product.

Mechanical belt tensioner for the A/C and power steering system We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3131376
Mfg#:
11287582946
In Stock
$115.99

This product was last offered at the strikethrough price on
09-16-2026

$95.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mechanical A/C Belt Tensioner Assembly

ES#4759474 - 11281433571 - Mechanical A/C Belt Tensioner Assembly - Complete tensioner assembly with roller - Bremmen Parts - BMW

Complete tensioner assembly with roller 10X Entries Into Our F80 M3 Sweepstakes

For vehicles with production date up to 09/2002

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759474
Mfg#:
11281433571
In Stock
ON SALE!
$48.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical A/C Belt Tensioner Assembly

ES#2137122 - 11281433571 - Mechanical A/C Belt Tensioner Assembly - Complete tensioner assembly with roller - Ina - BMW
ECS Tuning recommends this product.

Complete tensioner assembly with roller We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 09/2002

Brand:
Ina - Corporate Logo
ES#:
2137122
Mfg#:
11281433571
In Stock
$68.91

This product was last offered at the strikethrough price on
10-02-2026

$67.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Roller

ES#2137092 - 11281748131 - Hydraulic Alternator Belt Tensioner Roller - Replacement is recommend with every belt service - Ina - BMW
ECS Tuning recommends this product.

Replacement is recommend with every belt service We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2137092
Mfg#:
11281748131
In Stock
$20.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Tensioner Pulley

ES#254055 - 11287841527 - Tensioner Pulley - Used on secondary A/C belt - Genuine BMW - BMW

Used on secondary A/C belt

Brand:
Genuine BMW - Corporate Logo
ES#:
254055
Mfg#:
11287841527
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.

$286.99

This product was last offered at the strikethrough price on
11-01-2026

$262.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Roller

ES#4818522 - 11281748131 - Hydraulic Alternator Belt Tensioner Roller - Replacement is recommend with every belt service - Bremmen Parts - BMW

Replacement is recommend with every belt service 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818522
Mfg#:
11281748131
In Stock
ON SALE!
$15.29 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 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

Hydraulic Belt Tensioner

ES#21804 - 11287835422 - Hydraulic Belt Tensioner - Keep your air conditioning belt tight - Genuine BMW - BMW

Keep your air conditioning belt tight

Brand:
Genuine BMW - Corporate Logo
ES#:
21804
Mfg#:
11287835422
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.

$193.99

This product was last offered at the strikethrough price on
11-01-2026

$181.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

A/C Belt Tensioner

ES#4871929 - 11281717210 - A/C Belt Tensioner - Provides tension between the crank pulley and A/C compressor. - Bremmen Parts - BMW

Provides tension between the crank pulley and A/C compressor. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871929
Mfg#:
11281717210
In Stock
ON SALE!
$53.99

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

$50.00 USD
Free Shipping
on orders $49 and up
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 We Price Match - Give Us A Call or Chat!
For vehicles with production date from 09/1997

Brand:
Ina - Corporate Logo
ES#:
2628542
Mfg#:
11281745545
In Stock
$51.99

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

$50.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Belt Tensioner Assembly With Pulley

ES#3035440 - 11281720039 - A/C Belt Tensioner Assembly With Pulley - Complete with pulley - Ina - BMW

Complete with pulley We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3035440
Mfg#:
11281720039
In Stock
$191.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical A/C Belt Tensioner Assembly

ES#2528731 - 11287512758 - Mechanical A/C Belt Tensioner Assembly - Complete tensioner assembly with roller - Ina - BMW
ECS Tuning recommends this product.

Complete tensioner assembly with roller We Price Match - Give Us A Call or Chat!
For vehicles with production date from 09/2002

Brand:
Ina - Corporate Logo
ES#:
2528731
Mfg#:
11287512758
In Stock
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical A/C Belt Tensioner Assembly

ES#2972821 - 11287512758 - Mechanical A/C Belt Tensioner Assembly - Complete tensioner assembly with roller - URO - BMW

Complete tensioner assembly with roller 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2972821
Mfg#:
11287512758
In Stock
$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical A/C Belt Tensioner Assembly

ES#4830572 - 11287512758 - Mechanical A/C Belt Tensioner Assembly - Complete tensioner assembly with roller - Bremmen Parts - BMW

Complete tensioner assembly with roller 10X Entries Into Our F80 M3 Sweepstakes

For vehicles with production date from 09/2002

Brand:
Bremmen Parts - Corporate Logo
ES#:
4830572
Mfg#:
11287512758
In Stock
ON SALE! SAVE 15%
$52.99

This product was last offered at the strikethrough price on
09-16-2026

$45.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belt Tensioner Assembly

ES#4920135 - 11281742858 - Belt Tensioner Assembly - Includes tensioner & roller for accessory belt - Litens - BMW

Includes tensioner & roller for accessory belt For vehicles with production date from 08/1997 to 09/1998

Brand:
Litens - Corporate Logo
ES#:
4920135
Mfg#:
11281742858
Back Ordered
$83.99

This product was last offered at the strikethrough price on
05-07-2026

$80.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

A/C Belt Tensioner

ES#180346 - 64551714458 - A/C Belt Tensioner - Used for adjusting belt tension - Genuine BMW - BMW

Used for adjusting belt tension

Brand:
Genuine BMW - Corporate Logo
ES#:
180346
Mfg#:
64551714458
Ships in 1-2 days
$33.99

This product was last offered at the strikethrough price on
09-11-2026

$33.33 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Other BMW A/C Belt Tensioners

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