Hybrid battery and electric drive power loss
POWER TRAIN, ELECTRICAL SYSTEM, ENGINE
3 NHTSA complaints · 2017-07 → 2026-07
“Hybrid battery has a failed cell. It was confirmed by BMW diagnostics but BMW refused to repair/replace failed cell even though it was under full 8yr/80k mile warranty. BMW claimed it as wear and tear, even though 1 out of 5 cells completely failed. The failure caused the car to”
“Unsure of the exact cause, appears to be the high voltage battery/electric drive function that is faulty. It is creating a hazardous condition causing the vehicle to propel itself forward while driving in traffic and almost hitting other vehicles on the roadway when the electric”
“THE VEHICLE WAS IN MOTION ON THE HIGHWAY ON THE LEFT LANE OF TRAFFIC AT A SPEED OF 65MPH IN "EDRIVE" MODE. AS EXPECTED, IT SHIFTED FROM ELECTRIC TO COMBUSTION ENGINE AT 65MPH THOUGH THE AT THIS POINT THE CAR STARTED COASTING, AS IF IT WAS IN NEUTRAL, EVEN THOUGH THE INDICATOR ON”