61 13... In-line connectors, 2-pin, System MDK 3plus 2.8
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2015 BMW 750i, 2015 BMW 750Li, and 2015 BMW 740i. However, it is still accessible from the selected car via links, so may be relevant.
Unlock lock (1) on outside at retaining hook and slide out lock (1) to side.
Press lock (1) downward and slide out to one side.
With special tool 61 0 316 (61 1 136), unlock contact and pull out cable with contact (1) towards rear.