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What 5 owners told NHTSA about the 2015 BMW I8
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 5 complaints match · Engine · clear filters
Jul 11, 2017Engine
WHEN I DRING IN TO STREET FROM PARKING LOT, THIS VEHICLE DO NOT SPEED UP, IT IS STOP , NOT MOVING AT ALL FOR ABOUT 3 SECOND THAN KICK UP FAST. IT HAPPEN SOME TIMES NOT EVERY DAY, I WENT TO DEALERSHIP FOR FIX IT LIKE 4 TIME BUT THEY CAN NOT DUPULICATE THE PROBLEM AND CHECK THE SYSTEM BUT IT CAME OUT EVERYTHING NORMAL. BUT I HAVE THOSE PROBLEM LIKE ONE EVERY MONTH SPECIALLY WHEN I'M DRIVING LOW SPEED.
NHTSA ODI 11004660
Jun 23, 2016Engine
TL* THE CONTACT OWNS A 2015 BMW I8. WHILE DRIVING 55 MPH, THE VEHICLE STALLED AND A WARNING LIGHT INDICATED THAT THERE WAS EXTREME ENGINE HEAT. THE CONTACT PULLED THE VEHICLE OFF THE ROAD AND WAS ABLE TO RESTART IT, BUT THE FAILURE RECURRED CONSTANTLY. THE VEHICLE WAS TOWED TO A DEALER WHERE IT WAS DIAGNOSED, BUT THE DETAILS OF THE FAILURE WERE NOT PROVIDED. THE VEHICLE WAS REPAIRED, BUT THE FAILURE RECURRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VIN WAS UNKNOWN. THE FAILURE MILEAGE WAS 2,600.
NHTSA ODI 10876098
Working with the data? Download all 5 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 2015 BMW I8 verdict →