"N63T Drivetrain Malfunction Message after Driving for Several Hours
BMW technical service bulletin B121016 for 2009-2014 BMW 750LI, 2013-2014 BMW 550I and 2009-2014 BMW 750I and others.
- Bulletin number
- B121016
- Component
- Engine and engine cooling
- Summary
- "N63T Drivetrain Malfunction Message after Driving for Several Hours. F01, F02, F07 Target integration level: F001-16-07-501 or higher ""Drivetrain Malfunction"" message displayed with reduced engine power. Erroneous misfire faults may be stored for cylinders 3 and 6. The situation is most likely to occur after driving for several hours at constant highway speeds with light throttle (low load and low engine speed). Cycling ignition off and back on again clears the ""Drivetrain Malfunction"" warning DME software (plausibility check error)"
Owners of these vehicles have filed 115 complaints in the engine category.
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