Remove and install (replace) control unit Rear Electronic Module (REM) (2016-2022)

Necessary preliminary tasks: 

• Clamp off BATTERY LEAD FROM NEGATIVE CONNECTION POINT .
• Remove RIGHT LUGGAGE COMPARTMENT WHEEL ARCH PANEL .

Unlock plug connections.(1) and disconnect.

Unlock and disconnect positive battery cable (2).

(Follow instructions in the next work step)

Unscrew nuts (3).

Tightening torque 61 35 4AZ .

Remove control unit (4).

Installation note: 

Courtesy of BMW OF NORTH AMERICA, INC.

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).

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: 

Carry out VEHICLE PROGRAMMING/CODING .