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.
0496934 Tool MW
Fig 1: Identifying Tool (0496934)
Courtesy of BMW OF NORTH AMERICA, INC.
NOTE:
Walnut Blaster suction blast unit. For cleaning the intake port or intake valve during stronger coking (power loss and uneven engine running). [Blocked]