61 13... Inline plugs, 2-pin, System MPQ 2.8
WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
Press catch on outside in direction of arrow and remove towards top.
Press down retaining hook (1) with screwdriver and pull out cable and contact (2) towards rear.