Originally Posted by Seba

Just bought a 2002 X5 4.4 ... pretty much loaded with everything (except running boards). While running the wires to install a hitch I discovered in the rear left side of the vehicle (by the CD changer), below the plastic cover some connectors that seem to be after market stuff. There is a 25-pin connector (the one that would connect to a serial port on a computer) and two small coaxial connectors (one male, one female ... not plugged into each other, although they would fit). I was wondering what that might be ... Any suggestion? Thanks.