This original BMW jointed linkage rod connects the front headlamp vertical aim sensor to the front control arm. A broken linkage rod is a common failure, which can result in failure of the adaptive headlamp aiming feature.
This part is listed by BMW as BMW part number 37148851843 (37-14-8-851-843) and is described as Genuine BMW Linkage Rod for Front Headlight Vertical Aim Sensor on G42 2-Series, G20 3-Series, and G22/G23/G26 4-series xDrive models.
Replaces the following obsolete BMW part numbers:
37146894455 (37-14-6-894-455)
37146878576 (37-14-6-878-576)
BMW Fitments:
2 Series
G42 / G43 (2022+) > 230i xDrive
G42 / G43 (2022+) > M240i xDrive
3 Series
G20 (2019+) > 330e xDrive
G20 (2019+) > 330i xDrive B46D (2019-2024)
G20 (2019+) > 330i xDrive B46P (2025+)
G20 (2019+) > M340i xDrive B58D (2019-2024)
G20 (2019+) > M340i xDrive B58N (2025+)
4 Series
G22 / G23 (2021+) > 430i xDrive B46D (2021-2024)
G22 / G23 (2021+) > 430i xDrive B46P (2025+)
G22 / G23 (2021+) > M440i xDrive B58D (2021-2024)
G22 / G23 (2021+) > M440i xDrive B58N (2025+)
4 Series
G26 (2022+) > 430i xDrive Gran Coupe B46D (2022-2024)
G26 (2022+) > 430i xDrive Gran Coupe B46P (2025+)
G26 (2022+) > M440i xDrive Gran Coupe B58D (2022-2024)
G26 (2022+) > M440i xDrive Gran Coupe B58N (2025+)
G26 (2022+) > i4 M50
G26 (2022+) > i4 eDrive35
G26 (2022+) > i4 eDrive40
G26 (2022+) > i4 xDrive40
