This is probably clutch related but worth a shot !. I got my S3 mapped at the weekend very happy !. However i have noticed something , It was doing this before the map and no more now it has been but its annoying !. If you give it some beans in first or second, Push the clutch in change gear just as you push the clutch in it revs abit then drops down :S. The clutch does not actually slip and feels fine at the moment. Ive tested and tried ( Going up a hill in 4th ) no slipping. It does not do this every time it just strikes me as odd , It makes the car sound horrible though and makes people look so i need to get it sorted !. The clutch will be done next month regardless but if it sounds like anything else your opinions would be grande !.