i think also some of bmw's models have the antenna amp powered by the head unit, my 2002 coupe did'nt but i am in australia and i am not sure about the european models. If that is the case with yours you have the wrong adaptor there,you need one that sends power back up the antenna cable.
Originally Posted by jockscot1
Ok thanks will do. I've also read that the red cable on the adapter should be connected to a red cable on the car. Will need to check and see what this red cable is and whether it is powered or not.
Last edited by asdetail; 12-26-2012 at 05:13 PM.