Do you have the ebay cable or the chinese knock off of the rosstech cable (the knockoff is about $35 from ecutool.com)
The ecutool.com one is what Saki and I were talking about. I have it and it works on my B7. It’s a little bit of pain to get the software working, but well worth it. Here’s the thread: http://www.euroaddiction.net/forum/b6-b7-platform/1675-vag-com-ebay-cable-question.html