One of the most popular is http://navi-forum.net/board/viewforum.php?f=24, focussing on VAG navigation devices. There are several insiders on this board with usually very good information and tips.
Besides that there is http://www.a4-freunde.com/, http://www.audi4ever.at/phpBB2/index.php and http://www.motor-talk.de/f40/s/, all boards which focus on Audi but not navigation in particular.
Most of them do not work very well when using Babelfish or similar.
Besides that there is http://www.a4-freunde.com/, http://www.audi4ever.at/phpBB2/index.php and http://www.motor-talk.de/f40/s/, all boards which focus on Audi but not navigation in particular.
Most of them do not work very well when using Babelfish or similar.
