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What 31 owners told NHTSA about the 2021 BMW 3 Series Gt

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (31)Crash / fire / injury (5)Electrical system (15)Engine (10)Airbags (3)Driver assistance (3)Transmission & drivetrain (3)Brakes (2)Lane Departure (2)Suspension (2)Body & structure (1)Engine & cooling (1)

3 of 31 complaints match · Airbags · clear filters

Feb 8, 2025Airbags

My car has ver been wrecked or received any damage to any part of it. While driving to work the following warning popped up on screen. RESTRAINT SYSTEM WARNING, functionality of the airbags, seatbelt tensions, belt force limits reduced.

NHTSA ODI 11641504

Jan 1, 2025AirbagsBrakesDriver assistanceCrash1 injury

Going into a parking spot. Applied brakes, then the car did not brake, then it accelerated hitting a Jeep and finally stopped when the driver side front hit a parking barrier and then the air bags deployed. Sudden unintended acceleration was the cause of this accident. Car was totaled.

NHTSA ODI 11633498

Aug 5, 2022Electrical systemAirbags

Message on Console - " Passenger Restraint system malfunction ". Took vehicle in for Repair; BMW Dealership "thinks" it may be a wiring harness electrical short. They evidently need to discuss problem with BMW Corporate to figure out to properly diagnose problem and how to repair. My husband and I are very concerned about driving this car even after it may be "so called" repaired. We are concerned that if an accident does occur, and one or more of the airbags do not deploy; there may be serious injury or death to myself, my husband, grandkids, or other passengers.

NHTSA ODI 11477793

Working with the data? Download all 31 complaints as CSV · fetched from NHTSA July 21, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2021 BMW 3 Series Gt verdict →