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 Parts

Sort By
Filter By
Return to Top

New Alternator - 140amp

ES#4751409 - 12311744567 - New Alternator - 140amp - Brand new, not remanufactured. No core charge! - Bavarian Autosport - BMW

Brand new, not remanufactured. No core charge! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4751409
Mfg#:
12311744567
In Stock
ON SALE! SAVE 15%
$219.99

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

$186.99 USD
Free Shipping
on orders $49 and up

Alternator - 180amp

ES#2718149 - 12317837981 - Alternator - 180amp - Brand new unit with no core charge. - Valeo - BMW
ECS Tuning recommends this product.

Brand new unit with no core charge. We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
2718149
Mfg#:
12317837981
In Stock
$630.99

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

$404.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

New Alternator - 120amp

ES#4751405 - 12317831436 - New Alternator - 120amp - Brand new, not remanufactured. No core charge! - Bavarian Autosport - BMW

Brand new, not remanufactured. No core charge! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4751405
Mfg#:
12317831436
Ships on Sep 29, 2026
Auto Notify
ON SALE! SAVE 20%
$222.99

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

$178.39 USD
Free Shipping
on orders $49 and up

New Alternator - 180amp

ES#4759694 - 12317837981 - New Alternator - 180amp - Brand new, not remanufactured. No core charge! - Bavarian Autosport - BMW

Brand new, not remanufactured. No core charge! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4759694
Mfg#:
12317837981
In Stock
ON SALE! SAVE 15%
$304.99

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

$259.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator

ES#4415250 - 12317848603KT - Remanufactured Alternator - Price includes $194.25 core charge - Genuine BMW - BMW

Price includes $194.25 core charge

Brand:
Genuine BMW - Corporate Logo
ES#:
4415250
Mfg#:
12317848603KT
Ships in 8 Business Days
$1972.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 120amp

ES#2537728 - 12317831436KT - Remanufactured Alternator - 120amp - Includes a $400.00 refundable core charge - Genuine BMW - BMW

Includes a $400.00 refundable core charge

Brand:
Genuine BMW - Corporate Logo
ES#:
2537728
Mfg#:
12317831436KT
Ships in 3 Business Days
$1503.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Alternator

ES#4608889 - 12317838656KT - Alternator - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
4608889
Mfg#:
12317838656KT
Ships in 3 Business Days
$1486.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 120amp

ES#1897172 - 12317831436 - Remanufactured Alternator - 120amp - Includes $80.00 refundable core charge - Bosch - BMW

Includes $80.00 refundable core charge We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1897172
Mfg#:
12317831436
In Stock
$512.99

This product was last offered at the strikethrough price on
03-30-2026

$293.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator

ES#2749292 - 12312287828KT - Remanufactured Alternator - Price includes $200 core charge - Genuine BMW - BMW

Price includes $200 core charge

Brand:
Genuine BMW - Corporate Logo
ES#:
2749292
Mfg#:
12312287828KT
Ships in 5 Business Days
$1217.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 180amp

ES#2718150 - 12317837981KT - Remanufactured Alternator - 180amp - Price includes $50 core charge - Genuine BMW - BMW

Price includes $50 core charge

Brand:
Genuine BMW - Corporate Logo
ES#:
2718150
Mfg#:
12317837981KT
Ships in 8 Business Days
$1184.10 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

Alternator - 120amp

ES#2724217 - 12317831436 - Alternator - 120amp - Brand new unit with no core charge. - Valeo - BMW

Brand new unit with no core charge. We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
2724217
Mfg#:
12317831436
In Stock at Vendor
$522.00

This product was last offered at the strikethrough price on
07-16-2026

$468.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 140amp

ES#2142867 - 12311744567 - Remanufactured Alternator - 140amp - Includes a $100.00 refundable core charge - Bosch - BMW

Includes a $100.00 refundable core charge We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2142867
Mfg#:
12311744567
Ships on Oct 1, 2026
$453.99

This product was last offered at the strikethrough price on
07-25-2026

$415.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

ES#2557613 - 12317847517 - Voltage Regulator - Ensures proper voltage is being sent from the alternator to the electrical system and battery. - Genuine BMW - BMW

Ensures proper voltage is being sent from the alternator to the electrical system and battery.

Brand:
Genuine BMW - Corporate Logo
ES#:
2557613
Mfg#:
12317847517
Ships in 1 Business Day
6% off MSRP

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

$218.99

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

$205.99 USD
Free Shipping
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
Ships in 2 Business Days
$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator replacement kit

ES#4057015 - 12317831436KT2 - Alternator replacement kit - Includes everything needed for a complete alternator replacement, including a new alternator with no core charge and a belt service kit. - Assembled By ECS - BMW

Includes everything needed for a complete alternator replacement, including a new alternator with no core charge and a belt service kit. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4057015
Mfg#:
12317831436KT2
Back Ordered
ON SALE!
$860.82

This product was last offered at the strikethrough price on
07-16-2026

$781.10 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 ECS Tuning is part of Enthusiast Auto Holdings