The contact owns a 2012 BMW 740LI Sedan. The contact stated while driving approximately 70 mph when the vehicle backfired which resulted in the vehicle exploding. The drive train malfunction warning light was illuminated. There was black smoking coming from the rear passenger side of the vehicle and caught fire. The contact was able to jump out of the vehicle and sustained a sprained ankle and mental trauma. The fire marshals extinguished the fire and a police report was filed. The vehicle was towed to a police lot. The manufacturer was not informed of the failure. The contact mentioned that the vehicle went through extensive damage that it was unrecognizable. The failure mileage was approximately 185,000.