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

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 · Seats · clear filters

May 10, 2024Seats

The Passenger Restraint System was failing and is now constantly showing a Passenger Restraint System alert. It can not tell whether a passenger is in the seat or not. A local BMW specialist says it is a common issue with the passenger occupancy mat.

NHTSA ODI 11588043

Working with the data? Download all 23 complaints as CSV · fetched from NHTSA July 20, 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 verdict →