Quote Originally Posted by Charles.waite View Post
Rotella T6 in my b6 and b7. I put castrol in the better half's Q5 the first change, then Motul 8100 Xcess the second since its still under CPO warranty and I don't want to possibly void the warranty by not using a VW501 oil like Rotella. The Q5 seems to run a bit smoother with the Motul than with the castrol but its not my daily so honestly I pay little attention to it...

I love Rotella T6 because of the price and because it does a great job and has a good detergent/additive package.
+1 after a year and a half of running this in my old 2.7 it was spotless when i tore it down. and now I run it in the new one.