WARNING: This page is about a different car, the 2008 BMW 750i, 2008 BMW 750Li, 2007 BMW 750i, and 2007 BMW 750Li. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
for gantry crane
SI number: 6 04 03 (046)
Order number: 51 0 105
Side window locating fixture
Fig 1: Identifying Special Tool - Side Window Locating Fixture