2018 BMW 540I air bags problems
14 owner complaints filed with NHTSA name the air bags on the 2018 BMW 540I — 48% of all complaints for this model year.
What owners report
“On and off system notification of "Passenger Restraint System Malfunction" with and without a passenger in the seat. Also, the Airbag off/disabled light on the instrument cluster illuminated. Can't seem to declare if it is an electrical shortage, seatbelt buckle related or passenger pressure sensor…”
filed Apr 5, 2026
“"Passenger Restraint System (Malfunction)" warning appears on the main screen and instrument panel blocking other information and cannot be removed from instrument panel WHILE THE SEATBELT HAS WORKED NORMAL. I researched the problem and found several threads about this problem on the BMW owners…”
filed Sep 10, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Air Bags problems in other 540I years
| Year | Reports | Share |
|---|---|---|
| 2017 540I | 5 | 25% |
| 2000 540I | 8 | 26% |
| 1999 540I | 2 | 9% |
| 1998 540I | 1 | 4% |
| 1997 540I | 1 | 4% |
Other reported problem areas on the 2018 BMW 540I
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.