OEM BMW Alternators

FAQs for BMW Replacement Auto Parts

Troubleshooting BMW alternator issues? Finding the best fitted replacement parts from our OEM store is your sure way to bring your BMW's electrical systems back to life.

When Should I Replace My BMW X7 Alternator and Serpentine Belt?

For the BMW X7, it is generally recommended to replace the alternator every 80,000 to 120,000 miles, while the serpentine belt should be inspected every 60,000 miles and replaced every 90,000 miles or if any signs of wear are present. Regular maintenance checks are crucial to ensure these components function optimally, preventing potential breakdowns and costly repairs.

How Do I Tell If My BMW M3 Alternator Is Bad?

Signs of a failing alternator in your BMW M3 include dimming headlights, a dead battery, electrical issues, and unusual noises such as grinding or whining from the engine bay. Additionally, if the check battery warning light illuminates on the dashboard, it's a strong indicator of alternator problems.

Is a DIY BMW Alternator Replacement Doable or Should I Consult a Technician?

Replacing your BMW X5 alternator can be a challenging task, especially for those without mechanical experience. It involves several steps, including disconnecting the battery, removing various engine components like the serpentine belt, and installing the new alternator motor correctly. While a mechanically skilled DIYer with the right tools and right garage space might be able to handle it, consulting a professional BMW technician is advisable to ensure the job is done safely and accurately.

How to Save Cash on OEM BMW Alternator Parts?

BMW owners can save up to 35% off on OEM BMW replacement alternators and belts when shopping our online store. We ship your auto parts anywhere in the country too, so get your parts fast!

Alternator

Part Number: 12-31-7-526-286
BMW BMW
Notes: Alternator Is Serviced Only As An Assy.
Other Names: Generator Water Cooled 123010
Description: 760i, 760Li. 745i, 745Li. 180 amp.
MSRP $1,897.45
$1,375.65

Alternator

Part Number: 12-31-7-616-120
BMW BMW
Notes: Serviced As An Assembly Only.
Other Names: Rp Alternator 123010
Replaces: 12317616122, 12317626153, 12317626155
Backordered

Alternator

Part Number: 12-31-7-603-778
BMW BMW
Notes: Alternator Is Serviced Only As An Assembly.
Other Names: Alternator 123010
Replaces: 12317603781
Description: 230 Amp.. Reman. X6. Xdrive35i. 740i. 3.0L turbo, to 3/12.
Backordered

Alternator

Part Number: 12-31-8-570-672
BMW BMW
Notes: Alternator Is Serviced Only As An Assembly.
Other Names: Generator 123010
Replaces: 12318570673
Description: 535d, 535dxi. 3.0L turbo diesel. 740ldxi.
Backordered

Alternator

Part Number: 12-31-8-578-608
BMW BMW
Other Names: Generator 123010
Replaces: 12318519890, 12318519891, 12318578609
Description: 328d. 180amp.
MSRP $1,158.36
$839.81

Alternator

Part Number: 12-31-8-614-276
BMW BMW
Other Names: Alternator 123010
Replaces: 12318614278
MSRP $1,158.36
$839.81

Alternator

Part Number: 12-31-7-540-990
BMW BMW
Notes: Alternator Is Serviced Only As An Assembly.
Other Names: Alternator C123010
Replaces: 12317540992
Description: 745i, 745Li. 170 amp. 545i. 645Ci. 4.4 & 4.8L, remanufactured. 4.4L 2008, new.
MSRP $1,660.72
$1,411.61

Alternator

Part Number: 12-31-1-739-421
BMW BMW
Other Names: Compact Alternator C123010
Replaces: 12311721692, 12311721778, 12311721921, 12311721923, 12311727576
Description: 318i, 90 amp.
MSRP $1,083.78
$921.21

Alternator

Part Number: 12-31-7-649-390
BMW BMW
Other Names: Generator, Crankshaft Starter Generator 123010
Replaces: 12317649392
Description: I8. Starter/generator.
MSRP $2,027.14
$1,469.68

Alternator

Part Number: 12-31-8-570-675
BMW BMW
Notes: Alternator Is Serviced As An Assembly Only.
Other Names: Rp Alternator 123010
Replaces: 12318570676
Description: X5. 3.0l diesel.
MSRP $1,390.02
$1,007.76

Alternator

Part Number: 12-31-7-521-178
BMW BMW
Notes: Alternator Is Serviced Only As An Assembly.
Other Names: Rp Alternator 123010
Replaces: 12317525376
Description: 525xi, 530xi. 3 series. 525i. 185 amp. 530i. 185 amp.
MSRP $984.60
$713.84

Alternator

Part Number: 12-31-1-466-091
BMW BMW
Other Names: Exch Generator 123019
Description: 735. 115 amp. 535i, 115 amp.
Backordered

No results found for "alternators". Here are some helpful search tips:

  • Search by a part name. Example: water pump.
  • Be less specific. Example: brake instead of ceramic brake.
  • Remove information such as make, year or model.
  • Can't find the part you are looking for? Contact us and we'll find it for you!