The contact owns a 2008 BMW X5. The contact stated while driving at various speeds, between 5-70 MPH, she smelled a plastic burning odor. The contact saw smoke coming out from underneath the hood. The check engine warning light illuminated. The contact veered to the side of the road for thirty minutes. The contact then continued to drive. The vehicle was taken to an independent mechanic who informed the contact that oil may have dropped in the engine compartment during an oil replacement, which led to the failure. The vehicle was not repaired. The contact stated that the failure reoccurred several times while driving. The vehicle was taken back to the independent mechanic who informed the contact that they could not replicate the failure. The contact later received notification of NHTSA Campaign Number: 22V119000 (Engine And Engine Cooling) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the failure. The failure mileage was approximately 175,000. VIN tool confirms parts not available.