WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.
0494247 161070 Plug MW
NOTE:
(Plug (carbon canister)) For sealing the carbon canister (ECE) for leakage test [released]