We offer a range of plug and play warranty safe tuning boxes for the A4 B8 1.8/2.0 and 3.0TFSI and are currently running a group buy, if you would like anymore info then please follow this link
http://www.audi-sport.net/vb/member...ng-system-26th-july-until-9th-aug-2014-a.html
Cheers
http://www.audi-sport.net/vb/member...ng-system-26th-july-until-9th-aug-2014-a.html
Cheers