51 44 001 Removing and installing/replacing headliner (without slide/tilt sunroof)
WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.
Except for the steps relating to the slide/tilt sunroof, the work is identical to:
Removing and installing/replacing HEADLINER (WITH SLIDE/TILT SUNROOF)