51 43 280 Removing and installing/replacing auto-remote opener for luggage compartment cover on left or right (from 03/2006 with option SA316) (automatic rear lid actuation)
WARNING: This page is about a different car, the 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
Disconnect plug connection (1).
Release screws (2) and feed out auto-remote opener (3) in inward direction.