61 35 270 Remove and install (replace) control unit Front Electronic Module (FEM) (2' Series coupe and convertible, 2017-2021)

Necessary preliminary taste: 

• Refer to CLAMPING OFF BATTERY LEAD FROM NEGATIVE CONNECTION POINT .
• Refer to REMOVE SIDE TRIM PANEL FROM FOOTWELL ON RIGHT A-PILLAR ,

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

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Attention! 

Risk of damage to positive battery cable connector!

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).

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Unlock plug connections (1) 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.

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Replacement: 

Carry out PROGRAMMING/ENCODING .