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 Alternator Parts

Sort By
Filter By
Return to Top

Voltage Regulator

ES#3191627 - 12317561939 - Voltage Regulator - Get back on the road without having to swap an entire alternator. - Bosch - BMW
ECS Tuning recommends this product.

Get back on the road without having to swap an entire alternator. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! For vehicles with 180 AMP Bosch Alternator

Brand:
Bosch - Corporate Logo
ES#:
3191627
Mfg#:
12317561939
In Stock
$61.91 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Wrench

ES#4727399 - 003581SCH01A - Alternator Wrench - This wrench offers a T50 head with a 33-splined sleeve that fits snugly into your alternator bolt. - Schwaben - BMW Mercedes Benz
ECS Tuning recommends this product.

This wrench offers a T50 head with a 33-splined sleeve that fits snugly into your alternator bolt. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
4727399
Mfg#:
003581SCH01A
In Stock
ON SALE! SAVE 25%
$20.99

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

$15.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Mounting Screw Set

ES#2792709 - 12310392568 - Alternator Mounting Screw Set - Single-use, torque-to-yield - Rein - BMW

Single-use, torque-to-yield 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2792709
Mfg#:
12310392568
In Stock
$36.65

This product was last offered at the strikethrough price on
02-06-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

ES#29768 - 12317561939 - Voltage Regulator - A genuine BMW regulator that will get your charging system back to peak performance. - Genuine BMW - BMW

A genuine BMW regulator that will get your charging system back to peak performance. For vehicles with 180 AMP Bosch Alternator

Brand:
Genuine BMW - Corporate Logo
ES#:
29768
Mfg#:
12317561939
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.

$218.99

This product was last offered at the strikethrough price on
07-18-2026

$205.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 220 Amp

New no core charge! We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
3522157
Mfg#:
12317804266
In Stock at Vendor
$822.99

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

$799.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Alternator

ES#4068946 - 12317561002 - Alternator - Replacement Alternator from Valeo - Valeo - BMW

Replacement Alternator from Valeo We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
4068946
Mfg#:
12317561002
In Stock at Vendor
$794.99

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

$771.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

New Alternator - 230amp

ES#2918915 - 12317603782 - New Alternator - 230amp - Original equipment alternator - new, no core charge! - Valeo - BMW

Original equipment alternator - new, no core charge! We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
2918915
Mfg#:
12317603782
Ships on Aug 11, 2026
$730.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 180A

ES#2966758 - 12317551256KT - Remanufactured Alternator - 180A - Price includes refundable $75 core charge - Bosch - BMW

Price includes refundable $75 core charge 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles without Adaptive Drive & without four-zone climate control

Brand:
Bosch - Corporate Logo
ES#:
2966758
Mfg#:
12317551256KT
Ships in 9 Business Days
Auto Notify
$648.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Alternator Pulley

ES#2702284 - 12317560483 - Alternator Pulley - Replace your damaged alternator pulley today - Ina - BMW

Replace your damaged alternator pulley today We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2702284
Mfg#:
12317560483
In Stock
$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - AL9450X

ES#4325172 - 12317616121bKT - Remanufactured Alternator - AL9450X - Includes refundable $100.00 core charge. - Bosch - BMW

Includes refundable $100.00 core charge. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 03/2012

Brand:
Bosch - Corporate Logo
ES#:
4325172
Mfg#:
12317616121BKT
Ships on Aug 12, 2026
$689.99

This product was last offered at the strikethrough price on
04-15-2026

$558.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - AL9446X

ES#4325094 - 12317591530BKT - Remanufactured Alternator - AL9446X - Includes refundable $85.00 core charge. - Bosch - BMW

Includes refundable $85.00 core charge. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 03/2012

Brand:
Bosch - Corporate Logo
ES#:
4325094
Mfg#:
12317591530BKT
Back Ordered
$660.99

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

$429.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

ES#2530440 - 12317603775 - Voltage Regulator - Maintain a constant voltage - Genuine BMW - BMW

Maintain a constant voltage For vehicles with 220 amp Valeo alternator and four-zone automatic climate control

Brand:
Genuine BMW - Corporate Logo
ES#:
2530440
Mfg#:
12317603775
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.

$226.99

This product was last offered at the strikethrough price on
07-18-2026

$213.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

ES#2720066 - 12317603777 - 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#:
2720066
Mfg#:
12317603777
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.

$208.99

This product was last offered at the strikethrough price on
07-18-2026

$195.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator - Valeo

ES#3610519 - 12318510090 - Voltage Regulator - Valeo - OEM replacement for you BMW alternator fixing charging issues - Valeo - BMW

OEM replacement for you BMW alternator fixing charging issues We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
3610519
Mfg#:
12318510090
Ships in 1 Business Day
$91.37 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

ES#4068967 - 12317603775 - Voltage Regulator - Maintain a constant voltage - Valeo - BMW

Maintain a constant voltage We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
4068967
Mfg#:
12317603775
Ships in 1 Business Day
$71.22

This product was last offered at the strikethrough price on
05-01-2026

$70.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Mounting Screw Set

ES#29211 - 12310392568 - Alternator Mounting Screw Set - Vin Number and Alternator Part number is needed Prior to purchase - Genuine BMW - BMW

Vin Number and Alternator Part number is needed Prior to purchase

Brand:
Genuine BMW - Corporate Logo
ES#:
29211
Mfg#:
12310392568
Ships in 3 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.

$24.99

This product was last offered at the strikethrough price on
07-18-2026

$22.99 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