I have been emailing this company in the US with regard's the the B6/B7
under tray (belly pan in the US). http://www.dieselgeek.com/catalog/B7_thumb.JPG B6-B7 Panzer Plate Heavy Duty Aluminum Skid Plate for all 2002-2007 Audi A4, Sedan or Avant
Heavy duty aluminum skid plate kit for all 2002 through 2007 B6 and B7 Audi A4, Sedan or Avant (wagon). This kit fits all years, engine types, body types and transmission types.
looks to be a nice bit of kit