51 44 001 Removing And Installing/Replacing Headliner (Without Slide/Tilt Sunroof)
WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. 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) .