So I watched all four videos, took out the rear ashtray, loosened and lifted my console only to discover there are NO additional wires buried anywhere under the carpet or in the cavity under the metal bracket. I even pulled the tab of carpet which fits under the rear of the console out and felt to the back of the cavity to make sure I was not missing anything. No wires wrapped or unwrapped anywhere other than the ones I mentioned previously which go up into the console lid.
Does this mean no pre-wiring for a CD changer? Or maybe they changed it to the back on a 2010. I have seen it posted elsewhere that some X3's were pre-wired in the console, AND in the rear hatch for a changer.
What should I be looking for in the hatch and where is the most likely place to find it?