Given that the Z8 weighs 3494 lbs and comes with a 3.38:1 electronic limited slip, how do you think the M3 will faire with this weight and differential ratio. According to C&D the Z8 will do 0-60 in 4.5s and the Q in 13s @ 111mph.
If you've already done this analysis before, let me know and I'll check the archives.