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BMW E46 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4751406
Mfg#:
12317501690
Ships on Aug 4, 2026
Auto Notify
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 - 120amp

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

Brand new, not remanufactured. No core charge! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4751405
Mfg#:
12317831436
Ships in 8 Business Days
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 - AL0703N - 120A

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

Brand New Alternator, Not a reman! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 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

Remanufactured Alternator - 120amp

ES#2537728 - 12317831436KT - Remanufactured Alternator - 120amp - Includes a $65.00 refundable core charge - Genuine BMW - BMW

Includes a $65.00 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2537728
Mfg#:
12317831436KT
Ships in 1 day
$1481.99 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
2724217
Mfg#:
12317831436
In Stock at Vendor
$508.99

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

$494.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 120amp

ES#2167423 - AL0703X - Remanufactured Alternator - 120amp - Includes $65.00 refundable core charge - Bosch - BMW

Includes $65.00 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles that came with a Valeo alternator

Brand:
Bosch - Corporate Logo
ES#:
2167423
Mfg#:
AL0703X
Ships on Jun 29, 2026
$844.99 USD
Free Shipping
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4057015
Mfg#:
12317831436KT2
Ships in 8 Business Days
ON SALE!
$834.73

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

$811.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 120A

Price included a core charge of $181.50 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3604762
Mfg#:
12317501690KT
Ships in 1 day
$759.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 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 - 120amp

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

Includes $80.00 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
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

$322.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

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

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Bosch

Brand:
Genuine BMW - Corporate Logo
ES#:
29429
Mfg#:
12311713491
Ships in 2 Business Days
9% 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
06-03-2026

$588.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 120amp

ES#2539391 - 12317501599 - Alternator - 120amp - Brand new unit with no core charge. - Bosch - BMW

Brand new unit with no core charge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles that came with a 120A Valeo alternator

Brand:
Bosch - Corporate Logo
ES#:
2539391
Mfg#:
12317501599
In Stock at Vendor
$526.99

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

$511.99 USD
Free Shipping
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 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
$28.99

This product was last offered at the strikethrough price on
05-12-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 90amp

ES#2535383 - 12317501687KT - Remanufactured Alternator - 90amp - Includes a $95 Core Charge - Bosch - BMW

Includes a $95 Core Charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2535383
Mfg#:
12317501687KT
In Stock at Vendor
$394.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Alternator Air Duct - Upper

ES#29366 - 12311432465 - Alternator Air Duct - Upper - Routes air to cool alternator - Genuine BMW - BMW

Routes air to cool alternator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used only on 120A alternators

Brand:
Genuine BMW - Corporate Logo
ES#:
29366
Mfg#:
12311432465
Ships in 1 day
5% off MSRP

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

$174.99

This product was last offered at the strikethrough price on
06-03-2026

$165.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 120amp

ES#2535387 - 12317519620KT - Remanufactured Alternator - 120amp - Includes a $91 refundable core charge - Bosch - BMW

Includes a $91 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles that came with a Bosch alternator

Brand:
Bosch - Corporate Logo
ES#:
2535387
Mfg#:
12317519620KT
In Stock
$380.99

This product was last offered at the strikethrough price on
05-06-2026

$335.00 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.

Let us help you find the parts that fit your BMW

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Manufacturer names and/or part numbers are used only for identification purposes.

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