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

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
affirm financing terms & conditions
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

BMW E70 Engine Drive Belt Parts

Sort By
Filter By
Return to Top

Accessory Belt Service Kit

ES#3184305 - 11287628659KT - Accessory Belt Service Kit - Includes belt, tensioner and idler pulleys - Assembled By ECS - BMW

Includes belt, tensioner and idler pulleys 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3184305
Mfg#:
11287628659KT
In Stock at Vendor
ON SALE! SAVE 17%
$158.99

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

$132.34 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

1-Piece, Pinned & Unpinned Crank Hub W/ Crank Bolt Capture Plate - BMW N55, S55

ES#5396556 - 034-113-Z015 - 1-Piece, Pinned & Unpinned Crank Hub W/ Crank Bolt Capture Plate - BMW N55, S55 - Whether your hub needs replaced, or you're looking out for the future of your engine, this motorsport-grade solution is engineered to eliminate slip and protect your engine. - 034Motorsport - BMW

Whether your hub needs replaced, or you're looking out for the future of your engine, this motorsport-grade solution is engineered to eliminate slip and protect your engine.

Brand:
034Motorsport - Corporate Logo
ES#:
5396556
Mfg#:
034-113-Z015
In Stock
ON SALE! SAVE 10%
$819.00

This product was last offered at the strikethrough price on
06-28-2026

$737.10 USD
Free Shipping

BMW N52 Accessory Drive Belt Service Kit

ES#2681007 - 11287530314KT - BMW N52 Accessory Drive Belt Service Kit - Utilizes high quality aftermarket components - Assembled By ECS - BMW

Utilizes high quality aftermarket components 10X Entries For Our 25th Anniversary Sweepstakes!
This is for vehicles without 4 zone auto climate control

Brand:
Assembled By ECS - Corporate Logo
ES#:
2681007
Mfg#:
11287530314KT
In Stock
ON SALE! SAVE 14%
$117.99

This product was last offered at the strikethrough price on
02-08-2026

$101.06 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner Assembly

ES#3134113 - 11288604266 - Accessory Belt Tensioner Assembly - This is the main belt tensioner for A/C, power steering and alternator - Ina - BMW
ECS Tuning recommends this product.

This is the main belt tensioner for A/C, power steering and alternator We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3134113
Mfg#:
11288604266
In Stock
$79.99

This product was last offered at the strikethrough price on
06-08-2026

$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Accessory Belt Kit - Kevlar Reinforced

ES#4636401 - 11287530314KBKT - 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 For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4636401
Mfg#:
11287530314KBKT
Ships in 10 Business Days
Auto Notify
ON SALE! SAVE 18%
$127.99

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

$104.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner Assembly

ES#4830507 - 11288604266 - Accessory Belt Tensioner Assembly - This is the main belt tensioner for A/C, power steering and alternator - Bremmen Parts - BMW

This is the main belt tensioner for A/C, power steering and alternator 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4830507
Mfg#:
11288604266
In Stock
ON SALE!
$51.99

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

$48.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belt Tensioner Assembly

ES#2681004 - 11287530314 - Belt Tensioner Assembly - Complete tensioner assembly - Ina - BMW
ECS Tuning recommends this product.

Complete tensioner assembly We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2681004
Mfg#:
11287530314
In Stock
$84.99

This product was last offered at the strikethrough price on
07-08-2026

$58.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Schwaben BMW Belt Tensioner Tool

ES#3136158 - 020023SCH01A - Schwaben BMW Belt Tensioner Tool - Much easier than using a T60 Torx socket! A must have for belt service on N54/N55 engines. - Schwaben - BMW
ECS Tuning recommends this product.

Much easier than using a T60 Torx socket! A must have for belt service on N54/N55 engines. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
3136158
Mfg#:
020023SCH01A
In Stock
ON SALE! SAVE 25%
$67.99

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

$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belt Tensioner Assembly

ES#4830551 - 11287530314 - Belt Tensioner Assembly - Complete tensioner assembly - Bremmen Parts - BMW

Complete tensioner assembly 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4830551
Mfg#:
11287530314
In Stock
ON SALE! SAVE 21%
$54.99

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

$43.24 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

Complete Vibration Damper Replacement Kit w/ Specialty Tool Kit - E70 X5 35d

ES#4780238 - 11238511371TKT - Complete Vibration Damper Replacement Kit w/ Specialty Tool Kit - E70 X5 35d - Replace your vibration damper before it leaves you stranded on the side of the road - includes all of the specialty tools necessary to make your repair quick and easy! - Assembled By ECS - BMW

Replace your vibration damper before it leaves you stranded on the side of the road - includes all of the specialty tools necessary to make your repair quick and easy! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4780238
Mfg#:
11238511371TKT
In Stock at Vendor
ON SALE!
$720.99

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

$696.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Belt Tensioner

ES#254045 - 11287549873 - Belt Tensioner - Replace a damaged tensioner to restore operation to your belt driven accessories - Genuine BMW - BMW

Replace a damaged tensioner to restore operation to your belt driven accessories

Brand:
Genuine BMW - Corporate Logo
ES#:
254045
Mfg#:
11287549873
In Stock
3% 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
07-17-2026

$173.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mechanical Belt Tensioner

ES#3215683 - 11287799851 - Mechanical Belt Tensioner - Mechanical belt tensioner for the alternator, A/C and power steering system - Ina - BMW

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

Brand:
Ina - Corporate Logo
ES#:
3215683
Mfg#:
11287799851
In Stock
$87.82

This product was last offered at the strikethrough price on
06-22-2026

$74.99 USD
Free Shipping

Deflection Pulley

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

Directs the accessory serpentine belt. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4830650
Mfg#:
11288673720
In Stock
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

Crank Bolt Capture Plate - BMW N55, S55

ES#5396565 - 034-113-Z016 - Crank Bolt Capture Plate - BMW N55, S55 - Don't slip your crank hub! Replace the factory crank bolt capture plate with this upgraded motorsport grade plate. - 034Motorsport - BMW

Don't slip your crank hub! Replace the factory crank bolt capture plate with this upgraded motorsport grade plate.

Brand:
034Motorsport - Corporate Logo
ES#:
5396565
Mfg#:
034-113-Z016
In Stock
ON SALE! SAVE 10%
$78.00

This product was last offered at the strikethrough price on
06-28-2026

$70.20 USD
Free Shipping

E70 Mechanical Belt Tensioner

ES#3187888 - 11287799851 - E70 Mechanical Belt Tensioner - Original equipment German-made tensioner for alternator, A/C and power steering system - Mubea - BMW

Original equipment German-made tensioner for alternator, A/C and power steering system

Brand:
Mubea - Corporate Logo
ES#:
3187888
Mfg#:
11287799851
In Stock
ON SALE! SAVE 32%
$123.99

This product was last offered at the strikethrough price on
03-24-2026

$84.54 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Drive Belt Parts

Drive belts transfer crankshaft power to various accessories, including the alternator, water pump, power steering pump, and air conditioning compressor. Replacement of drive belts, serpentine belts, and drive belt tensioners at recommended service intervals helps you avoid untimely breakdowns and expensive vehicle repairs.

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 ECS Tuning is part of Enthusiast Auto Holdings