17-0114 Adapter
WARNING: This page is about a different car, the 2011 BMW X6 and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.
0494643 170114 Adapter Minimum set: Mechanical tools MW
NOTE:
For radiator cap Model series: E60, E61, E63, E64 SI no.: 1 08 03 (988) [Released]
Courtesy of BMW OF NORTH AMERICA, INC.