This part is listed by BMW as BMW part number 12318571358 (12-31-8-571-358) and is described as Genuine BMW Alternator (Bosch 250A) for B46A and B58A engines on G87 M2 (2024+), G80 M3 (2021), G82/G83 M4 (2022+), G30 530i, 540i (2017-2019), G12 740i, 740iL (2016-2019), G01 X3 30i, M40i (2018-2019), F97 X3M (2020+), G02 X4 30i, M40i (2019), and F98 X4M (2020+).
Supersedes obsolete BMW part number 12318635553 (12-31-8-635-553).
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 (2023-) > M2 (2023+)
3 Series
G80 (2021-) > M3 (2021-)
G80 (2021-) > M3 Competition RWD (2021-)
G80 (2021-) > M3 xDrive Competition (2021-)
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 B46A (2017-2019)
G30 (2017-2023) > 530i xDrive B46A (2017-2019)
G30 (2017-2023) > 540i B58A (2017-2019)
G30 (2017-2023) > 540i xDrive B58A (2017-2019)
7 Series
G12 (2016-2023) > 740i
G12 (2016-2023) > 740i xDrive
X3 Series
F97 X3M (2020-2024) > X3M
X3 Series
G01 X3 (2018-2024) > X3 M40i B58A (2018-2019)
G01 X3 (2018-2024) > X3 sDrive30i (2018-2019)
G01 X3 (2018-2024) > X3 xDrive30i (2018-2019)
X4 Series
F98 X4M (2020-2025) > X4M
X4 Series
G02 X4 (2019-2025) > X4 M40i B58A (2018-2019)
G02 X4 (2019-2025) > X4 xDrive30i (2018-2019)