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.
0496537 520000 Adapter cable MW
NOTE:
(Adapter cable OC3) OC3 mat in conjunction with ISTA --> campaign only USA and Canada [released]