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 M5 Alternator Parts

Sort By
Filter By
Return to Top

New Alternator - 170A

ES#2838984 - 12317836592KT - New Alternator - 170A - Brand new, not remanufactured - no core charge! - Valeo - BMW

Brand new, not remanufactured - no core charge! We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
2838984
Mfg#:
12317836592KT
Ships in 8 Business Days
$358.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 170A

ES#2623226 - 12317836592KT - Remanufactured Alternator - 170A - Includes $199.50 core charge - Genuine BMW - BMW

Includes $199.50 core charge

Brand:
Genuine BMW - Corporate Logo
ES#:
2623226
Mfg#:
12317836592KT
Ships in 1-2 days
$1843.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

Brand:
Genuine BMW - Corporate Logo
ES#:
29781
Mfg#:
12317677914
In Stock
$15.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 120amp

ES#2631328 - 12311407440KT - Remanufactured Alternator - 120amp - Includes a refundable $75 core charge - Bosch - BMW

Includes a refundable $75 core charge We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2631328
Mfg#:
12311407440KT
In Stock
$789.99

This product was last offered at the strikethrough price on
08-19-2026

$754.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

ES#29429 - 12311713491 - Voltage Regulator - Genuine BMW - BMW

Bosch

Brand:
Genuine BMW - Corporate Logo
ES#:
29429
Mfg#:
12311713491
Ships in 3 Business 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.

$643.99

This product was last offered at the strikethrough price on
10-24-2026

$606.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 210A

No core charge required!

Brand:
Denso - Corporate Logo
ES#:
4685721
Mfg#:
12317616126
Back Ordered
$521.99

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

$506.99 USD
Free Shipping
on orders $49 and up

Alternator Bushing (20 mm Length)

ES#29243 - 12311268447 - Alternator Bushing (20 mm Length) - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
29243
Mfg#:
12311268447
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.

$45.99

This product was last offered at the strikethrough price on
10-24-2026

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 170A

ES#4325095 - 12317836592kt1KT - Remanufactured Alternator - 170A - Price includes $75 refundable core charge - Bosch - BMW

Price includes $75 refundable core charge We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4325095
Mfg#:
12317836592KT1KT
Back Ordered
$409.99 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

Brand:
Genuine BMW - Corporate Logo
ES#:
31194
Mfg#:
12521312124
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.

$50.99

This product was last offered at the strikethrough price on
10-24-2026

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Voltage Regulator - 65 Amp Style

ES#2746487 - 12311726022 - Alternator Voltage Regulator - 65 Amp Style - Prevent an overcharging alternator - Bosch - BMW

Prevent an overcharging alternator We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2746487
Mfg#:
12311726022
In Stock at Vendor
$71.99

This product was last offered at the strikethrough price on
10-13-2026

$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 90 Amp

Includes refundable $50.00 core charge.

Brand:
Genuine BMW - Corporate Logo
ES#:
3104432
Mfg#:
12311466086
Back Ordered
$369.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjusting Bracket

ES#29432 - 12311714450 - Adjusting Bracket - Located on the alternator, used for adjusting belt tension - Genuine BMW - BMW

Located on the alternator, used for adjusting belt tension

Brand:
Genuine BMW - Corporate Logo
ES#:
29432
Mfg#:
12311714450
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.

$44.99

This product was last offered at the strikethrough price on
10-24-2026

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 120A

ES#4785783 - 12311407440luKT - Alternator - 120A - Includes $70 core charge. - Lucas - BMW

Includes $70 core charge.

Brand:
Lucas - Corporate Logo
ES#:
4785783
Mfg#:
12311407440LUKT
Back Ordered
$305.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 170 Amp

ES#4355846 - 12317836592lKT - Alternator - 170 Amp - Price includes a $60 refundable core charge - Lucas - BMW

Price includes a $60 refundable core charge

Brand:
Lucas - Corporate Logo
ES#:
4355846
Mfg#:
12317836592LKT
Ships on Nov 10, 2026
$277.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

ES#2100544 - 12318510092 - Voltage Regulator - Maintain a constant voltage - Genuine BMW - BMW

Maintain a constant voltage

Brand:
Genuine BMW - Corporate Logo
ES#:
2100544
Mfg#:
12318510092
Ships in 6 Business 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.

$236.99

This product was last offered at the strikethrough price on
10-24-2026

$222.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

O-Ring

ES#23853 - 11421702917 - O-Ring - See MOQKT - Genuine BMW - BMW

See MOQKT

Brand:
Genuine BMW - Corporate Logo
ES#:
23853
Mfg#:
11421702917
Ships in 1-2 days
$9.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Alternator Parts

Keep everything charged with an OEM alternator or save some money with aftermarket alternators and remanufactured alternators from brands you trust.

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