This part is listed by BMW as BMW part number 12318635481 (12 31 8 635 481) and is described as 250A voltage regulator for some B46TU and S58 engines.
This is a Genuine BMW voltage regulator with a two year warranty. Buying a Genuine part will usually be more expensive than an OEM or aftermarket brand but you are assured that it meets BMW's designs for fitment, performance, and longevity. It will also be the very latest design, incorporating any updates or revisions that an aftermarket brand typically will ignore.
For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.
BMW Fitments:
2 Series
G87 (2024-) > M2 (2024+)
3 Series
G20 (2019+) > 330i
G20 (2019+) > 330i xDrive
3 Series
G80 (2021-) > M3 (2021-)
G80 (2021-) > M3 Competition RWD (2021-)
G80 (2021-) > M3 xDrive Competition (2021-)
4 Series
G22 / G23 (2021+) > 430i
G22 / G23 (2021+) > 430i xDrive
4 Series
G82 / G83 (2021-) > M4 (2021-)
G82 / G83 (2021-) > M4 CSL
G82 / G83 (2021-) > M4 Competition RWD (2021-)
G82 / G83 (2021-) > M4 xDrive Competition (2021-)
5 Series
G30 (2017-2023) > 530i
G30 (2017-2023) > 530i xDrive
X3 Series
F97 X3M (2020+) > X3M
X3 Series
G01 X3 (2018-2024) > X3 xDrive30i
X4 Series
F98 X4M (2020+) > X4M
X4 Series
G02 X4 (2019-2024) > X4 xDrive30i
