MSR: Engine drag torque control

The engine drag torque control (MSR) prevents the blocking tendency of the drive wheels on smooth roadways. On shifting down or in the case of an abrupt load reversal (especially on a roadway with a low coefficient of friction), there is a danger that the drive wheels block due to the engine drag torque. Via the wheel speed sensors, MSR detects the blocking tendency even as it is about to happen. MSR briefly reduces the engine drag torque by accelerating slightly. Advantage: The drive wheels retain their cornering force in coasting (overrun) mode.