6113... Inline plugs, 6-, 8-pin, System MQS
WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2011 BMW 323i, 2010 BMW 335xi, and 2010 BMW 335i. However, it is still accessible from the selected car via links, so may be relevant.
Press lock (1) in direction of arrow and slide plug forward.
Press locking hook (2) downward and slide lock (1) out.
Press down arrester hook (1) with screwdriver and pull out cable with contact towards rear.