Gearbox Actuator: Notes

The Gearbox Actuator, manufactured by Getrag, is attached to the rear of the gearbox housing and performs the gear change movements.

Fig 1: View Of SMG II Gear Box Actuator

Courtesy of BMW OF NORTH AMERICA, INC.

The gearbox actuator consists of the following components:

• Gearbox Actuator Housing
• Main Selector Shaft
• Position Sensor
  Fig 2: Rotating Main Selector Shaft

  Courtesy of BMW OF NORTH AMERICA, INC.

Main Selector Shaft (MSS) is rotated by Selection Angle Travel Cylinder and Moved In/Out by Shift Travel Cylinder.