Oct 28, 2020Transmission & drivetrainEngine
DRIVETRAIN MALFUNCTION TWICE CHECK ENGINE LIGHT CAME ON 2 DAYS AFTER PURCHASING THE CAR HAD IT SERVICED ABD THE EXACT SAME ISSUES ARE BACK CAR WILL NOT DRIVE
NHTSA ODI 11366945
Home · 2015 BMW X4 Xdrive35i · Complaints
What 18 owners told NHTSA about the 2015 BMW X4 Xdrive35i
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 (18)Crash / fire / injury (3)Electrical system (5)Brakes (4)Engine (4)Engine & cooling (3)Transmission & drivetrain (3)Airbags (2)Fuel system (2)Lights (1)Seats (1)Speed control (1)
3 of 18 complaints match · Transmission & drivetrain · clear filters
Oct 21, 2018Transmission & drivetrainBrakes
BRAKES WERE UNRESPONSIVE WHEN TRYING TO SLOW FROM 35 MPH FOR STOP SIGN. COULD ONLY DEPRESS BRAKE PEDAL ABOUT A HALF-INCH, CAR ESSENTIALLY COASTED TO A STOP IN THE MIDDLE OF AN INTERSECTION CAUSING A NEAR MISS. CAR STARTED TO SHUDDER VIOLENTLY BEFORE COMING TO A STOP. THIS WAS THE FIRST OF 2 SERIOUS BRAKE FAILURES FOR THIS CAR.
NHTSA ODI 11141669
Oct 20, 2018Transmission & drivetrainBrakes
AFTER EXITING HIGHWAY ONTO OFFRAMP, I APPLIED BRAKES WHICH DID NOT SLOW CAR SIGNIFICANTLY, REAPPLIED BRAKE HARD AND AGAIN CAR CAR WOULD NOT SLOW ADEQUATELY. BRAKING POWER SEEM TO BE APPROX 10% OF NORMAL. CAR BEGAN TO SHAKE AND ENGINE REVVED AS CAR FINALLY STOPPED IN MIDDLE OF INTERSECTION, NEAR MISS VS ONCOMING TRAFFIC.
NHTSA ODI 11141623
Working with the data? Download all 18 complaints as CSV · fetched from NHTSA July 28, 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 2015 BMW X4 Xdrive35i verdict →