WARNING: This page is about a different car, the 2008 BMW 760Li, 2007 BMW 760Li, 2006 BMW 760i, and 2006 BMW 760Li. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Special Tool Cabinet
Courtesy of BMW OF NORTH AMERICA, INC.
Note: To accommodate 5 special tool boards. Replaced by 1x 00 0 220 complete plus 1x 00 0 221 and 1x 00 0 224