July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
61 13... Socket of tab connector housings
WARNING: This page is about a different car, the 2013 BMW M3, 2012 BMW M3, and 2011 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
Unlock hooks (1) with special tool 61 1 360 and push plug housing out of the socket.
Fig 1: Unlocking Hooks Using Special Tool 61 1 360