HEX-USB-CAN Interface. I purchased it in May 2011 and used it a handful of times for my former B8 S4.
http://uploads.tapatalk-cdn.com/20160422/c9ea87ccba38f088c51f749a702a08d7.jpg
http://uploads.tapatalk-cdn.com/20160422/520e4dc83ba6668d44e905848330b313.jpg
$225.00 - shipping not included
PM me if you’re interested.