CAS: Car Access System
WARNING: This page does not describe the selected car, but rather 94 other vehicles, including the 2013 BMW X6, 2012 BMW X6, 2011 BMW X6, 2010 BMW Z4, and 2010 BMW X6 M. However, it is still accessible from the selected car via links, so may be relevant.
The Car Access System supplies signals for the terminal management (e.g. terminal 15 ON).
The adaptive headlights control unit is activated when terminal 15 is switched ON.