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.
0496410 118082 Valve MW
NOTE:
Available only as a complete tool set 11 8 080 (83 30 0 496 408) - as of 31.01.12. [Not available separately]