The contact owns a 2016 BMW 320I. The contact stated that while starting the vehicle, there was white smoke coming from the rear end of the vehicle. The contact found information regarding Technical Service Bulletin: SIB 11116 (Engine and Engine Cooling released in July 2017). The vehicle was taken to the dealer to be diagnosed. The dealer linked the failure to the Technical Service Bulletin; however, the vehicle was not covered under the TSB. The vehicle was not repaired. The manufacturer was informed of the failure. The manufacturer referred the contact to the NHTSA Hotline to report the failure. The failure mileage was 119,000.