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.
0492594 512040 Box spanner MW
NOTE:
For lock barrel screw connection (threaded ring) of tailgate E93 impact plate, tailgate [released]