The contact owns a 2014 BMW 328D. The contact received notification of NHTSA Campaign Number: 21V907000 (Fuel System, Diesel) however, the part to do the recall repair was not yet available. The contact stated while the vehicle was at a complete stop at the traffic light, she noticed smoke coming out from underneath the hood of the vehicle and she could smell a burning odor through the vents. There were no warning lights illuminated. The contact continued to drive the vehicle. The contact stated that the failure reoccurred while parking the vehicle in her garage. The vehicle was taken to the local dealer twice where it was diagnosed that it was a coolant failure associated with NHTSA Campaign Number: 21V907000 (Fuel System, Diesel). The dealer notated in the diagnostic report that the vehicle was drivable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the failure. The failure mileage was approximately 55,265. VIN tool confirms parts not available.