Exactly what you want here:
http://www.m3forum.net/m3forum/showthread.php?t=153023 . But you need an account (free of course) to see attachments. The "bad" news is that the Rs4 motor, even though it is .2 l larger has a better peak torque and nearly the same redline. E92 M3 should punish the RS4 on the track but drags will be close IMO.