61 35 275 Remove and install (replace) control unit Rear Electronic Module (REM)

Necessary preliminary tasks  :

• Disconnect the NEGATIVE BATTERY CABLE 

Fold back insulation sheet (1) in direction of arrow.

Unlock and disconnect all plug connections in area (1).

Unlock and disconnect positive battery cable (3). (Note removal instructions below)

Release screw (2).

Tightening torque 61 35 4AZ .

Remove control unit (4) from guides (5) in direction of arrow.

Installation note  :

Make sure all plug connections are correctly latched.

Unlock the positive battery cable connector  :

1. Loosen lock (1) in direction of arrow.
2. Unlock top positive battery cable connector (2) in direction of arrow.
3. Disconnect battery positive lead (2).
   Fig 3: Disconnecting Battery Positive Lead

   Courtesy of BMW OF NORTH AMERICA, INC.

Replacement  :

Carry out VEHICLE PROGRAMMING/CODING .