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.
0494890 234022 Mandrel MW
NOTE:
(Drift) For driving in bearing bush for locking bolt, 5th gear. [Released]