The contact owns a 2007 BMW 328i. The contact stated that while driving approximately 50- 55 mph, the vehicle caught fire. There was an abnormal burning odor detected. There were no warning lights illuminated. The driver was able to use her fire extinguisher and extinguish the fire. There were no reported injuries, police reports filed, or air bag deployments. The vehicle was towed to an independent mechanic, who informed her that the battery pack wiring had melted. and the PCV and wiring needed to be repaired. The vehicle was taken to the local dealer, where an unknown diagnosis regarding the electrical panel was provided. The vehicle was repaired. The manufacturer was not notified. The failure mileage was approximately 149, 000.