Thanks SF, I went to BMW and got the part to bypass. I tried it on all 4 units and found the Nav system was part of the problem. I left the bypass on it but still don't any any sound. Does anyone know how to bench test the ASK unit? I'm starting to wonder if I got a bad replacement unit.
Last edited by Taylormb4; 12-08-2012 at 08:27 AM.