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BMW Alternator Parts

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

Brand:
Genuine BMW - Corporate Logo
ES#:
29781
Mfg#:
12317677914
In Stock
$15.24

This product was last offered at the strikethrough price on
01-07-2026

$15.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adjusting Bar

ES#29254 - 12311274833 - Adjusting Bar - Mount for Alternator - Genuine BMW - BMW

Mount for Alternator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
29254
Mfg#:
12311274833
In Stock
$44.99 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
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 Jul 1, 2026
$844.99

This product was last offered at the strikethrough price on
06-04-2026

$821.99 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
Back Ordered
Auto Notify
ON SALE!
$834.73

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

$820.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 220 Amp

New 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#:
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

Remanufactured Alternator - 180 Amp

ES#3699052 - al9357xKT - Remanufactured Alternator - 180 Amp - Includes a $75 refundable core charge - Bosch - BMW

Includes a $75 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Only for vehicles with a production date from 03/2005

Brand:
Bosch - Corporate Logo
ES#:
3699052
Mfg#:
AL9357XKT
Back Ordered
$961.99

This product was last offered at the strikethrough price on
02-13-2026

$791.99 USD
Free Shipping
on orders $49 and up
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3604762
Mfg#:
12317501690KT
Ships in 3 Business Days
$773.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator

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

Replacement Alternator from Valeo 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#:
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

E53 Alternator

ES#2703052 - 12317540994 - E53 Alternator - Restore charging system voltage with a new alternator - Valeo - BMW

Restore charging system voltage with a new alternator 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#:
2703052
Mfg#:
12317540994
Ships on Jun 24, 2026
$384.99 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
4727399
Mfg#:
003581SCH01A
In Stock
ON SALE! SAVE 30%
$20.99

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

$14.69 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! 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#:
2918915
Mfg#:
12317603782
Ships on Jun 30, 2026
$730.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 185amp

ES#2643162 - 12317525376 - Alternator - 185amp - New, not remanufactured. No core charge! - Valeo - BMW

New, not remanufactured. 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#:
2643162
Mfg#:
12317525376
Ships in 2 Business Days
$718.54 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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

Alternator Mounting Screw Set

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

Single-use, torque-to-yield affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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

Remanufactured Alternator

ES#4905055 - 12317591532KT - Remanufactured Alternator - Includes a refundable $81.90 core charge - MPA Electrical - BMW

Includes a refundable $81.90 core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MPA Electrical
ES#:
4905055
Mfg#:
12317591532KT
In Stock at Vendor
$701.99

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

$684.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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

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.

Other BMW Alternator Parts

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