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 M3 Alternator Hardware

Sort By
Filter By
Return to Top

Alternator Tensioner Nut

ES#29781 - 12317677914 - Alternator Tensioner Nut - Gear used against a bracket to tighten belt - Genuine BMW - BMW

Gear used against a bracket to tighten belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
29781
Mfg#:
12317677914
In Stock
$15.24

This product was last offered at the strikethrough price on
01-07-2026

$15.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Positive Cable

ES#31194 - 12521312124 - Alternator Positive Cable - Grounds the alternator to the chassis - Genuine BMW - BMW

Grounds the alternator to the chassis affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
31194
Mfg#:
12521312124
Ships in 1-2 days
4% off MSRP

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

$50.99

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

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Fan

ES#29551 - 12311735306 - Alternator Fan - Cools the alternator - Genuine BMW - BMW

Cools the alternator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
29551
Mfg#:
12311735306
Ships in 1-2 days
4% off MSRP

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

$49.99

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

$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#14733 - 07119905523 - Hex Bolt - Priced Each - Genuine BMW hex bolt. M10X125 - Genuine BMW - BMW

Genuine BMW hex bolt. M10X125 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
14733
Mfg#:
07119905523
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt

ES#2562675 - 07119908003 - Hex Bolt - M8X85 - Genuine BMW - BMW

M8X85 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2562675
Mfg#:
07119908003
Ships in 1-2 days
5% off MSRP

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

$19.99

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

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bush

ES#29259 - 12311276227 - Bush - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
29259
Mfg#:
12311276227
Ships in 1-2 days
3% off MSRP

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

$31.99

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

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Ball Bearing

ES#4389994 - 12311722979 - Alternator Ball Bearing - Used when performing an alternator rebuild (Measurements:47x17x14) - SKF - BMW

Used when performing an alternator rebuild (Measurements:47x17x14) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SKF - Corporate Logo
ES#:
4389994
Mfg#:
12311722979
Ships in 9 Business Days
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Brush Set

ES#29504 - 12311727756 - Alternator Brush Set - Get your alternator working again - Genuine BMW - BMW

Get your alternator working again affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
29504
Mfg#:
12311727756
Ships in 1-2 days
4% off MSRP

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

$25.99

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

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

STAR-SOCKET SCREW

ES#2714432 - 12319908092 - STAR-SOCKET SCREW - Genuine BMW - BMW MINI

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

Brand:
Genuine BMW - Corporate Logo
ES#:
2714432
Mfg#:
12319908092
In Stock
Limited Qty Sale
$18.99

This product was last offered at the strikethrough price on
03-08-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Washer

ES#29238 - 12311268420 - Washer - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
29238
Mfg#:
12311268420
Ships in 1-2 days
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Woodruff Key

ES#15755 - 07119951453 - Woodruff Key - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
4X5

Brand:
Genuine BMW - Corporate Logo
ES#:
15755
Mfg#:
07119951453
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Bearing

ES#4919982 - 6201-Z - Alternator Bearing - Replacement OEM alternator bearing - Schaeffler - BMW

Replacement OEM alternator bearing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Schaeffler - Corporate Logo
ES#:
4919982
Mfg#:
6201-Z
Ships in 7 Business Days
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Holder

ES#2767475 - 12317848109 - Holder - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
2767475
Mfg#:
12317848109
Ships in 8 Business Days
8% off MSRP

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

$25.99

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

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

STAR-SOCKET SCREW

ES#2727976 - 07129908286 - STAR-SOCKET SCREW - Genuine BMW - BMW MINI

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

Brand:
Genuine BMW - Corporate Logo
ES#:
2727976
Mfg#:
07129908286
In Stock at Vendor
60% off MSRP

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

$9.99

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

$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lock Ring

ES#29258 - 12311276226 - Lock Ring - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
29258
Mfg#:
12311276226
Ships in 1-2 days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SPRING WASHER

ES#15580 - 07119932098 - SPRING WASHER - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
15580
Mfg#:
07119932098
Ships in 1-2 days
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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