Originally Posted by bradleyland
3.5 seconds is an eternity on a 3:00 lap. It's going to take more than a tune to catch it. The 335i is a fantastic car, but the S6 justifies it's price tag well.
I found the S6 times to be sad. Specially when you read the article on it. They did not like driving it. Lots of understeer.
The section of Vir they raced is horsepower driven. Lots of straight always, so a tune would have made a difference that and some RE-11's , P-SS, or V12's.