This part is listed by BMW as BMW part number 17138610652 (17-13-8-610-652) and is described as Genuine BMW Expansion Tank for engine coolant on G42 2-series, G20 3-series, G22/G23/G26 4-series, and G29 Z4 models.
Cap sold separately. Please see below for BimmerWorld recommended related items.
BMW Fitments:
2 Series
G42 / G43 (2022+) > 230i
G42 / G43 (2022+) > 230i xDrive
G42 / G43 (2022+) > M240i
G42 / G43 (2022+) > M240i xDrive
3 Series
G20 (2019+) > 330e
G20 (2019+) > 330e xDrive
G20 (2019+) > 330i
G20 (2019+) > 330i xDrive
G20 (2019+) > M340i
G20 (2019+) > M340i xDrive
4 Series
G22 / G23 (2021+) > 430i
G22 / G23 (2021+) > 430i xDrive
G22 / G23 (2021+) > M440i
G22 / G23 (2021+) > M440i xDrive
4 Series
G26 (2022+) > 430i Gran Coupe
G26 (2022+) > 430i xDrive Gran Coupe
G26 (2022+) > M440i xDrive Gran Coupe
Z Series
G29 Z4 (2019-2025) > Z4 M40i
G29 Z4 (2019-2025) > Z4 sDrive30i
