According to the manual the only coolant you are supposed to use is the G 012 A8 D meeting specification TL VW 774D.
The blue is for Audi models 1997 and prior. The red or pink is for 1997 on.
I have attached the information from the manual.
NOTE: " Only use coolant additive G 012 A8 D - meeting specification TL VW 774 D. Identifiable by red color
I have also attached a web site for your review.
Me, I would have it back to the blue unless they can show you otherwise in documentation and warranty any engine damage. .up to you
Hope this helps.
Saturday, March 7th, 2009 AT 7:31 PM