TL* THE CONTACT OWNS A 2016 BMW M4. WHILE DRIVING 40 MPH, THE PASSENGER SEAT BEGAN TO EMIT SMOKE AFTER THE PASSENGER TURNED ON THE SEAT HEATER. THE VEHICLE WAS NOT DIAGNOSED. THE VEHICLE WAS TAKEN TO BE REPAIRED AT ERHARD BMW OF FARMINGTON HILLS. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 41,458. UPDATED 09/20/17*LJ *CN