Easiest way is to download & install
EMule, then paste this line into 'Update server.met from URL' on the server tab:
http://www.edk-files.com/x1/server.met and press update. This will give you a mahoosive list of emule servers, then sort the list by 'Users' or 'Files' which normally gives you the server 'Razorback 2' at the top. Double click it to connect, and while you're here right click and set its priority to 'High'.
Then search for ETKA 6.3, and sort by size. You'll get 'VAG ETKA v6.31 (VW-Audi 512) + crack.iso (703.71MB) near/at the top, this is the one you are looking for. (Comes with the program, the crack and some updates)