61 31 020 Removing and installing/replacing ignition starter switch

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Move ignition lock to key position 0 (stop)
Remove LOWER SECTION OF STEERING COLUMN TRIM

IMPORTANT: Before removing ignition starter switch (1), secure inner shaft against turning:
Insert a M2.5*8 screw in bore (2).

Installation:

Remove screw in bore (2).

Fig 1: Identifying Ignition Starter Switch

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1), tightening torque 61 31 1AZ .

Installation:

Secure screws (1) with sealing paint.

Fig 2: Removing Ignition Starter Switch

Courtesy of BMW OF NORTH AMERICA, INC.

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.

Remove ignition starter switch (2).