The contact owned a 2008 BMW 328xi. The contact stated while driving 35 mph, she saw smoke exiting the front passenger side of the vehicle. The contact stated that there was no warning light illuminated. The contact parked and exited the vehicle safely and called 911. The contact stated 25 seconds after exiting the vehicle, the vehicle exploded and caught on fire. The fire department arrived and extinguished the fire. A fire report was filed. The contact stated that there was no injury. A police report was not filed. The vehicle was towed to a towing lot. The vehicle was not diagnosed nor repaired. A dealer was not contacted. The manufacturer was not informed of the failure. The failure mileage was approximately 131,000.