61 35 270 Remove and install (replace) control unit Front Electronic Module (FEM)

Necessary preliminary tasks: 

• Clamp off BATTERY LEAD FROM NEGATIVE CONNECTION POINT 
• Remove SIDE TRIM PANEL from footwell on right A-pillar

Release screw (1) and remove cover (2).

Courtesy of BMW OF NORTH AMERICA, INC.

Attention! 

Risk of damage to positive battery cable connector!

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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).

Unlock plug connections-(l) and disconnect.

Release bolt (2) and remove control unit (3).

Tightening torque: 61 35 5AZ .

Installation note: 

Make sure all plug connections are correctly latched.

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: 

Carry out PROGRAMMING/ENCODING .