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.
0492455 341050 Device MW
NOTE:
For turning back brake piston when fitting new brake pads, disc brakes front and rear [Released]