61 13... Circular connector, 7-pin, 8-pin, system D2.5
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
Special tools required:
Carefully pull off rubber grommet (1).
Carefully press back retaining tabs (2) of internal connector (3).
Slide internal connector (3) in direction of arrow until retaining tabs (2) lock into locking groove (4).
Use special tool 61 0 303 (61 1 132) to press back retaining hook (5) of corresponding contact and pull out cable with contact.