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Drivetrain malfunction but no codes?
Driving a 2011 550xi.
Over the past month I keep getting random drivetrain malfunctions while accelerating to highway speeds but no limp mode. No codes stored either. The cars driving really bogged down and seems to not have full power.
I had the engine replaced by BMW recently so spark plugs, coils, gaskets, and whatever else I could think of has been replaced. Only thing I could think of is the waterpump and thermo, which haven't been replaced. Could either of those 2 cause this or does anybody have any other ideas? It's been driving me crazy.
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