Well, experience trumps theory. I was proven wrong...this guy is running the exact setup you just asked about with 1.7sec 60'
Last question are you running 245 35 or 30 profile?I'm running 245's up front and 275's out back. 8.5" wide front and 9.5" wide rear F80 M3 reps. No problems at all. Literally as wide as you'll go though.
275 with 10 inch rim 28 offset works it 275 30 19 . That is with a roll though and e92 . However 245 front is a big no no