Originally Posted by Al Pleske
Great posting - I would like to try this on my 2008 335i convertible. I opened up the steering colum and the mics are missing even though the car has the phone prep and one BMW bulliten tells me they should be installed. Does anyone know if the wiring is in place in the colum?
the only way is to dig around to see if the factory has stashed the wiring somewhere in the steering column