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.
Minimum set: Mechanical tools
NOTE:
For locking hood/bonnet in assembly position
Series: E65, E66
Storage location: A46
SI number: 1 14 01(766)
Order number: 51 2 180
Hood/bonnet stay (2x)
Fig 1: Identifying Special Tool - Hood/Bonnet Stay (2x)