Reduced engine message coming up during acceleration. Just wanted your opinion as i have a 2013 528i that has about 165k on it and all has been smooth except recently one day while on the freeway i got the error; Bmw Drivetrain Malfunction Drive Moderately Problem If restarting the engine didn't fix drivetrain malfunction drive moderately, park the vehicle safely and turn off the engine again. Drivetrain malfunction on bmw 528i . Common signs of a drivetrain malfunction. It comes on for a few seconds and goes away and the car drives normally. The statements expressed above are only for informational purposes. [2012 bmw 528i xdrive] fuel supply, drivetrain malfunction. Bmw service center is close at that time and on sunday (12/22) so i couldn't bring it in until the 12/23. I currently have a 2013 528i bmw with less 90k miles and less than 8 years old. Bmw drivetrain malfunction engine light on, bmw not starting or dies f30 f31 f10 f32 f20 f21 f22 f23in thi...