WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Foil (2326540)
Courtesy of BMW OF NORTH AMERICA, INC.
NOTE:
Film with coordinates A/B/C 31/32 for tools for M-models and engine S63TU