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61 31 020 Removing and installing/replacing ignition starter switch

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Necessary preliminary tasks: 

IMPORTANT: Before removing ignition starter switch (1), secure inner shaft against turning:
Insert a M2.5*8 screw in bore (2).
Fig 1: Identifying Ignition Starter Switch
G03288149Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Remove screw in bore (2).

Release screws (1), tightening torque, refer to 61 31 1AZ in GENERAL ELECTRICAL SYSTEM - TIGHTENING TORQUES - 645CI .

Installation: 

Secure screws (1) with sealing paint.

IMPORTANT: Carefully unlock and disconnect associated plug connection for ribbon cable. Replace the ribbon cable if damaged. The ribbon cable leads to the control unit for the Car Access System, refer to 61 35 015 REMOVING AND INSTALLING (REPLACING) CONTROL UNIT FOR CAR ACCESS SYSTEM .

Remove ignition starter switch (2).

Fig 2: Securing Screws With Sealing Paint
G03288150Courtesy of BMW OF NORTH AMERICA, INC.