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 Clear

BMW E46 M3 S54 3.2L

    • 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 BMW E46 M3 S54 3.2L
Your Vehicle BMW E46 M3 S54 3.2L
Change Clear

BMW E46 M3 S54 3.2L Alternator Parts

Sort By
Filter By
Return to Top

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

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 5 Business Days
$1503.99 USD
Free Shipping
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

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

$466.99 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
In Stock at Vendor
ON SALE!
$860.82

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

$779.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator - 90amp/120amp

ES#2568298 - 12317559183 - Voltage Regulator - 90amp/120amp - For Bosch 90A & 120A alternators only - Bosch - BMW

For Bosch 90A & 120A alternators only We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2568298
Mfg#:
12317559183
In Stock
$37.99

This product was last offered at the strikethrough price on
04-13-2026

$37.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 120amp

ES#3195790 - 12317831436lKT - Remanufactured Alternator - 120amp - Rebuilt in America to a high standard - featuring a one year warranty. $70.00 core charge included. - Lucas - BMW

Rebuilt in America to a high standard - featuring a one year warranty. $70.00 core charge included.

Brand:
Lucas - Corporate Logo
ES#:
3195790
Mfg#:
12317831436LKT
Ships on Sep 11, 2026
$250.99 USD
Free Shipping
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

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

Voltage Regulator - 90amp/120amp

ES#29754 - 12317559183 - Voltage Regulator - 90amp/120amp - For Bosch 90A & 120A alternators only - Genuine BMW - BMW

For Bosch 90A & 120A alternators only

Brand:
Genuine BMW - Corporate Logo
ES#:
29754
Mfg#:
12317559183
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.

$252.99

This product was last offered at the strikethrough price on
08-24-2026

$237.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator - 90amp/120amp/140amp

ES#29742 - 12317551153 - Voltage Regulator - 90amp/120amp/140amp - For Valeo 90A, 120A and 140A alternators only - Genuine BMW - BMW

For Valeo 90A, 120A and 140A alternators only

Brand:
Genuine BMW - Corporate Logo
ES#:
29742
Mfg#:
12317551153
Ships in 6 Business Days
13% off MSRP

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

$196.99

This product was last offered at the strikethrough price on
08-24-2026

$170.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 120 Amp (Compact)

ES#212279 - 12317830791 - Alternator - 120 Amp (Compact) - Keep the battery properly charged. - Genuine BMW - BMW

Keep the battery properly charged.

Brand:
Genuine BMW - Corporate Logo
ES#:
212279
Mfg#:
12317830791
Ships in 9 Business 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.

$1433.99

This product was last offered at the strikethrough price on
08-20-2026

$1369.99 USD
Free Shipping
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.

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