I have a VAG-COM 409.1 full-version. Does VAG-COM 409.1 work with my Audi A4 B6. I have a third party interface I bought from http://www.obdtool.com/ It has the dual K-line support.

I bought a third party interface from Alpha Bid.The VAG_COM 409.1 sharewareworkson my AUDI A4 B6. My laptop has Windows Vista. Have you tried the full version?

works perfect for me