Alternator (250A), BMW - B46A B58A S58 Engine - G8X G30 G12 G01 G02

Original BMW 250 Amp alternator for B46A, B58A, and S58 engines. 

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Typically ships in 3-5 business days.

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Price:
$1,544.23

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)
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