This original BMW VDC rear shock absorber is used on 2021+ G23 430i and M440i xDrive convertible models with M Adaptive electronic suspension package.
This part is listed by BMW as BMW part number 37105A21C88 (37-10-5-A21-C88) and is described as Genuine BMW Rear VDC Strut, G23 xDrive.
Only for cars with M Adaptive electronic suspension.
BMW Fitments:
4 Series
G22 / G23 (2021+) > 430i xDrive B46D (2021-2024)
G22 / G23 (2021+) > 430i xDrive B48P (2025+)
G22 / G23 (2021+) > M440i xDrive B58D (2021-2024)
G22 / G23 (2021+) > M440i xDrive B58N (2025+)