This is under serious debate so there is no clear answer. A lot of people, though, swear by MTM with its relationship to Audi.

Zak adds: "APR (Audi Performance Re-engineering) makes excellent hi-performance chips dedicated for Audi's as well, gave my TT-225 an extra 42HP for around $500."

Nathan adds "Revo the only way to go. 225hp-265hp torque 207-284 that is a big difference. also its not scannable if your scared." - 5/22/2006

Jaks adds "My brother in law is german an he lives near cologne - he went to mtm and they tryed to optimise his TT - TWICE without success ... after that the put back the orignal software to the computer and they didin't charge him anything ....

there are hundrets of chip tuners in germany - but there are less than ten in whole europe witch are really good.

one of the best is Thorsten Wimmer in Solingen, Germany (www.wimmer-rst.de)

he is maybe the only one who has realistic horse and torque values advertised." 6/17/2005