61 13... Inline connectors, 6-, 8-pin, System MQS

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Press lock (1) in direction of arrow and slide connector forward.

Fig 1: Pressing Inline Connector Lock

Courtesy of BMW OF NORTH AMERICA, INC.

Press locking hook (2) downward and slide lock (1) out.

Fig 2: Sliding Lock Out

Courtesy of BMW OF NORTH AMERICA, INC.

Press down retaining hook (1) with screwdriver and pull out cable with contact towards rear.

Fig 3: Pulling Out Cable With Contact Towards Rear

Courtesy of BMW OF NORTH AMERICA, INC.