The contact owns a 2020 BMW X3. The contact stated while driving 30 MPH, the message ‘Drivetrain Malfunction’ was displayed. The vehicle was taken to the dealer where it was diagnosed that the heat management module needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure but offered no assistance and referred the contact to the NHTSA Hotline to report the failure. The approximate failure mileage was 29,400.