hey there, quick google shows thats probably an AUM engine (AGU is the 150bhp cable throttle motronic 3.8.3 golf/a3 engine).
AUM and AUQ engines are basically identical, so you may be able to build a definition using a AUQ definition, there is a well defined AUQ xdf, although yours is a much newer software version.
Also, this post gives the location of some maps:
http://nefariousmotorsports.com/forum/index.php?topic=6078.msg56655#msg56655