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.
0493120 513012 Suction cup MW
NOTE:
With bore hole, suspension can only be moved in longitudinal direction. Is replaced by 81 64 2 184 377, see Service Information (bulletin) 08 01 10 (635). [Discontinued]