WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.
0492101 331305 Synchronizing key MW
NOTE:
(Thrust piece (old)) Discontinued, only available via complete tool [cannot be ordered individually]