Adjustment of glass slide/tilt sunroof lid:
WARNING: This page is about a different car, the 2005 BMW 745i, 2004 BMW 745i, 2003 BMW 745i, and 2002 BMW 745i. However, it is still accessible from the selected car via links, so may be relevant.
Remove gaiter on left and right. Refer to 54 12 015 REPLACING LEFT OR RIGHT GAITER FOR GLASS SLIDE/TILT SUNROOF .
Close sunroof lid again (zero position).
Slacken screws (1) on left/right so that sunroof lid (2) can still just be adjusted.