Translation from German is kind of litteral and not exact. It is actually the COMBOX so you do have it. What it means is not "control for COMBOX" but "Control COMBOX".
How can you be certain you don't have the headlight cleaning system?
My friend has it and it was not obvious...
I, myself found out I had a 6 DVD changer from there as well... Never knew it was hidden in my glovebox.
2000 Z3 2.8 TiAg (retired)
2002 330i Orient Blue (retired)
2005 330Ci TiAg (retired)
2009 Z4 30i Space Gray (retired)
2011 Z4 35is Space Gray
2011 535i GT xDrive Space Gray