64-5107 Adapter
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.
0496087 645107 Adapter MW
NOTE:
(Sealing adapter) For closing off the line for the leakage test for E81, E87, E90, E91, E92, E93 (included in delivery from 02/2007) [discontinued]
SI number
01 09 07 (360)
Courtesy of BMW OF NORTH AMERICA, INC.