TL* THE CONTACT OWNS A 2007 BMW X3 SAV. AFTER A SEAT WARMER WAS ACTIVATED, THE HEAT GENERATED BECAME SO INTENSE THAT IT BURNED A HOLE IN THE SEAT, AS WELL AS THE CONTACT'S JACKET AND JEANS. THERE WERE NO INJURIES. THE CONTACT WAS ALTERED TO THE FAILURE DUE TO A BURNING ODOR. THE FAILURE OCCURRED WITHOUT WARNING. AN INDEPENDENT MECHANIC DIAGNOSED THAT THE FAILURE WAS CAUSED BY A FAULTY HEATING ELEMENT AND THE SEAT WOULD NEED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 111,000.