65 20 090 Removing and installing or replacing antenna amplifier
WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
Release screws (3).
Unlock plug connections (2) and (4) and disconnect.
Remove antenna amplifier (1).