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What 23 owners told NHTSA about the 2017 BMW 4 Series Gran Coupe

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 (23)Crash / fire / injury (1)Engine (9)Electrical system (4)Airbags (3)Engine & cooling (3)Seat belts (2)Transmission & drivetrain (2)Body & structure (1)Fuel system (1)Seats (1)Tires (1)

1 of 23 complaints match · crash/fire/injury only · clear filters

Dec 11, 2019AirbagsCrash1 injury

TL* THE CONTACT OWNED A 2017 BMW 430I. WHILE DRIVING APPROXIMATELY 30 MPH, THE CONTACT REAR ENDED THE PRECEDING VEHICLE DUE TO A SUDDEN STOP. THE AIR BAGS FAILED TO DEPLOY. THE AIR BAG WARNING INDICATOR ILLUMINATED AND "FAULT IN AIR BAG" APPEARED. THE CONTACT RECEIVED INJURIES TO THE BACK AND NECK AREA, BUT MEDICAL ATTENTION WAS NOT NEEDED. THE VEHICLE WAS TOWED AND DEEMED TOTALED BY THE TOWING COMPANY. A POLICE REPORT WAS NOT FILED. THE CAUSE OF THE FAILURE WAS NOT DIAGNOSED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 52,000.

NHTSA ODI 11288503

Working with the data? Download all 23 complaints as CSV · fetched from NHTSA July 14, 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 2017 BMW 4 Series Gran Coupe verdict →