BMW 530I 2016–2018 — technical service bulletin
Bulletin B720417 · NHTSA communication 10135997 · issued Mar 1, 2018
Technical service bulletin
communication type
Seats
component
2016–2018
model years
17
vehicle entries
Official summary
FALSE WARNINGS THAT THE FRONT PASSENGER SEAT IS OCCUPIED WITHOUT THE SEAT BELT BUCKLED: Acoustic and visual warnings indicate that the front passenger seat is occupied and the seat belt is not fastened, when the seat is actually unoccupied.
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.