61 13... Inline plugs, 4-, 10- pin, System Elo
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.
Detach fastener (1) from contact carrier (2).
Hold down retaining hook (3) of defective contact and pull cable and contact up to secondary lock (6).
Hold down retaining hook once again in secondary lock and pull cable and contact completely out of contact carrier.