Speaking of stalling out..
At the BMW Ultimate Driving Experience last week someone stalled a IS250. The cars were barely going above 50 Mph. When you are in the IS250 the car will constantly beep at you when it realizes that you are pushing it. I guess the guy pushed it too much and it just stalled in the middle of autocross lol.
It would really suck if the same thing happens to the ISFs. I thought they were made to compete against the M3