WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.
0491945 313000 Device MW
NOTE:
(Device) To spread the spring struts when removing and installing - Not required for 31 3 120 [Discontinued]