Torque Interfaces

If torque reduction or increase is required for ASC/DSC/MSR/AGS, the ECM will regulate engine power in the following manner:

• If less torque is required, the ignition timing is reduced (fast intervention), the idle speed actuator and MDK reduce intake air.
• If increased torque is required (MSR), the idle speed actuator and MDK increase intake air.

  The data required for engine torque manipulation is relayed via the CAN bus.

  Fig 1: Torque Interfaces Circuit Diagram

  Courtesy of BMW OF NORTH AMERICA, INC.