Hi, just a quick couple of questions... 1) my air con doesen't seem to want to work after a hour into a long journey. I think its something to do with my pipes freezing up. Should my pipes look like this?? The white stuff is hard-ice/frost...like you see in a freezer. Uploaded with ImageShack.us 2) Can i buy the 170bhp rear valance from my local audi dealership (sline avant) and how much does it cost? Thank you!!!