2005 X5 4.4 Microphone Wire Location?

[dewmanm]

I just bought a 2005 X5, navigation, sport, cold weather, sirius.
Anyways, I would like to hook up the bluetooth microphone and cannot locate the wire for it in the headliner.
I already found the microphone without the wire hooked up.
I have lowered the headliner and poked around in the area above the drivers head and could not locate the plug/wire taped to the larger wiring harness.
Any idea where the plug/wire could be?
Thanks.

ps, before I discovered the microphone not hooked up, I was able to pair a cell phone and did make a phone call and could hear the person but they could not hear me from the X5 so that tells me I have bluetooth.
I also have the talking head button and the R/T button on the steering wheel.