61 35 900 Removing and installing/replacing ring antenna of electronic immobilizer
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.
Special tools required:
Necessary preliminary tasks:
Disconnect plug connection (1).
Position special tool 61 3 300 as illustrated with flattened side (A) to ring antenna of electronic immobilizer (2).
Lever out ring antenna of electronic immobilizer (2) in direction of arrow and remove.