EMF Actuator Unit: Notes

The complete EMF actuator unit and especially the electric motor and gearing have been optimized for use on the F01/F02. That is noticeable in particular by quieter operation during actuation.

The EMF actuator unit is made up of the following main components:

• EMF control unit
• Electric motor
• Gearbox
• Force sensor

Those components are housed in a plastic casing that can not be opened. In the event of a fault, the EMF actuator unit can only be replaced as a complete unit.

Fig 1: Identifying EMF Actuator Unit Components

Courtesy of BMW OF NORTH AMERICA, INC.