If anyone is interested...   I found out that for a fluid change (filter too) audi manuals call for roughly 2.5 litres.  There are things floating around on the internet that call for 8 to 9 quarts.  Thats for a flush or a bone dry trans.  It sure would be a pisser if you bought 8 quarts (at $15 each) and only needed 3 or 4.  Dealers won't take back the unused bottles... just another way audi likes to screw their customers.  In addition I recommend reading the articles on the internet about trans fluid for Audi's b/c they give great insight into the disasters that can happen. 

Audi says to never change the trans fluid b/c its a lifetime fluid.  HAHAHAHA!!! That's another gimmick they've concocted to screw over the customer.  They'll tell you that its a lifetime fluid but when your trans goes and you ask them who's gonna pay the $9,000 for a new trans you know what they'll say. "It's not b/c of the fluid so YOU have to pay"