Ideal adjustment, transversal direction
WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
Side window glass (1) must be situated at distance (A) to body (2).
Distance A = 7±1 mm
Measuring points in B-pillar area and release for rear screw connection of side window glass (1).