32 43 521 Replace The Servotronic Control Unit

Necessary preliminary tasks: 

• Disconnect NEGATIVE BATTERY CABLE .
• Remove the FLOOR TRIM from the luggage compartment.
• Remove the storage compartment from the luggage compartment.

Release nuts (1) on the rear trim panel.

Unlock connector and remove.

Remove the control unit (2) from the bracket.

Fig 1: Control Unit And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

After installation: 

• Carry out PROGRAMMING/ENCODING .