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BMW 328i Alternator Parts

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New Alternator - 120amp

ES#4751406 - 12317501690 - New Alternator - 120amp - Brand new, not remanufactured. No core charge! - Bavarian Autosport - BMW

Brand new, not remanufactured. No core charge! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4751406
Mfg#:
12317501690
Ships in 5 Business Days
ON SALE! SAVE 20%
$211.99

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

$169.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4751409
Mfg#:
12311744567
Ships in 5 Business Days
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

New Alternator - AL0703N - 120A

ES#3647573 - 12317501690 - New Alternator - AL0703N - 120A - Brand New Alternator, Not a reman! - Bosch - BMW

Brand New Alternator, Not a reman! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3647573
Mfg#:
12317501690
In Stock
$526.99

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

$415.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

Remanufactured Alternator - 140amp

ES#2142867 - 12311744567 - Remanufactured Alternator - 140amp - Includes a $80.00 refundable core charge - Bosch - BMW

Includes a $80.00 refundable core charge 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2142867
Mfg#:
12311744567
In Stock
$453.99 USD
Free Shipping
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
07-20-2026

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

Alternator - 120A

ES#3604762 - 12317501690KT - Alternator - 120A - Price included a core charge of $181.50 - Genuine BMW - BMW

Price included a core charge of $181.50

Brand:
Genuine BMW - Corporate Logo
ES#:
3604762
Mfg#:
12317501690KT
Ships in 3 Business Days
$779.99 USD
Free Shipping
on orders $49 and up
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!

Brand:
Bosch - Corporate Logo
ES#:
2966758
Mfg#:
12317551256KT
Ships on Aug 5, 2026
$659.99 USD
Free Shipping
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 2X Entries For Our 25th Anniversary Sweepstakes!
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 - 210 Amp

ES#3699141 - AL9449X - Remanufactured Alternator - 210 Amp - Includes a $75 refundable core charge - Bosch - BMW

Includes a $75 refundable core charge 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! For vehicles with M Sport package

Brand:
Bosch - Corporate Logo
ES#:
3699141
Mfg#:
AL9449X
In Stock at Vendor
$902.99

This product was last offered at the strikethrough price on
04-11-2026

$627.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Air Duct - Lower

ES#2534823 - 12311735915 - Alternator Air Duct - Lower - Routes air to cool alternator - URO - BMW

Routes air to cool alternator 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534823
Mfg#:
12311735915
Back Ordered
Auto Notify
$30.99

This product was last offered at the strikethrough price on
06-22-2026

$22.99 USD
Free Shipping
on orders $49 and up
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 5 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
07-20-2026

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

Alternator Air Duct - Upper

ES#29528 - 12311730635 - Alternator Air Duct - Upper - Routes air to cool alternator - Genuine BMW - BMW

Routes air to cool alternator

Brand:
Genuine BMW - Corporate Logo
ES#:
29528
Mfg#:
12311730635
Ships in 3 Business 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.

$121.99

This product was last offered at the strikethrough price on
07-20-2026

$117.99 USD
Free Shipping
on orders $49 and up
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

New Alternator - 80 Amp

ES#2724220 - 12311744564 - New Alternator - 80 Amp - 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#:
2724220
Mfg#:
12311744564
In Stock at Vendor
$549.99

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

$533.99 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

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