The contact owns a 2013 BMW X3. The contact stated that after starting the vehicle, smoke was noticed leaking from under the hood. The contact stated that after she opened the hood, the vehicle caught on fire. No warning lights were illuminated. In addition, the contact stated that she and a neighbor had extinguished the fire utilizing a fire extinguisher. No police report was filed. The fire department did not arrive on scene. The vehicle was not towed. The vehicle was not deemed a total loss. The contact was burned on her hand however, she did not seek medical attention. Upon further inspection, the contact noticed that spark plug wires and other unknown parts were burned. The contact stated that the vehicle was previously seen by a local dealer for recall repair; however, the vehicle was not diagnosed with any recall-related failures and was diagnosed as needing a timing change replacement. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The contact received a notification of NHTSA Campaign Number: 24V608000 (Engine and Engine Cooling, Electrical System). The manufacturer was made aware of the failure. The failure mileage was approximately 160,000.