51 44 001 Removing and Installing/Replacing Headliner (Without Slide/Tilt Sunroof)
WARNING: This page is about a different car, the 2005 BMW 760i. 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) See 51 44 011 REMOVING AND INSTALLING/REPLACING HEADLINER (WITH SLIDE/TILT SUNROOF)