BMW Alpina XB7 2019–2023 — technical service bulletin
Bulletin B630423 · NHTSA communication 10235201 · issued Mar 1, 2023
Technical service bulletin
communication type
Exterior Lighting
component
2019–2023
model years
8
vehicle entries
Official summary
Possible failure of lighting operation in either left or right front headlamp assemblies (i.e., daytime driving lights, low beam lights, turn indicators.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.