NHTSA Complaint #11719067 — 2019 BMW M5

The contact owns a 2019 BMW M5. The contact stated that the vehicle was taken to the dealer and repaired under Technical Service Bulletin Number: SIB 17 03 24. The dealer replaced the coolant expansion tank; however, the vehicle experienced a coolant leak two months later. The message "Drivetrain Malfunction" was displayed, and the coolant level was low. The vehicle was taken back to the dealer, where the coolant expansion tank, 4 spark plugs, and ignition coils were replaced; however, upon driving away from the dealer, the message "Drivetrain Malfunction" was displayed, and the vehicle went into LIMP Mode and failed to exceed 40 MPH. The vehicle was taken back to the dealer, where it was repaired a third time; however, the failure persisted. The vehicle was taken back to the dealer and was being repaired. The dealer informed the contact that the vehicle was being repaired with the same parts because no updated part was available from the manufacturer. The manufacturer was notified of the failure, and the contact was awaiting a call back. The failure mileage was approximately 41,000.