Home · 2018 BMW 4 Series Gran · Complaints
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.
2 of 34 complaints match · Transmission & drivetrain · clear filters
When I cold started the car it rattled and shook, this stopped and the car was fine to drive. When I was on the road the cars check engine light came on and the car suddenly slowed down. An error popped up saying that there is a “powertrain malfunction”. BMW dealership said that it is a failure in VANOS system. There was a recall on other BMW models expect mine, 2018 BMW 4 series.
NHTSA ODI 11575651
Vehicle stalled on train track , on the highway, engine keep burning oil , when I press the gas it stalled and I have to press hard sometimes it moves sometimes it don’t
NHTSA ODI 11459845
Working with the data? Download all 34 complaints as CSV · fetched from NHTSA July 20, 2026