Try this:
http://www.maptive.com/ver3/VCDS_Locator
And or search
www.vwvortex.com
You can also go to an APR dealer, they all have the software. Find a dealer at
www.goapr.com
And here is what you can do:
http://www.golfmk6.com/forums/showthread.php?t=36478