Went to my first track day at Chuckwalla Valley Raceway today. Got a 2:22.830 asy personal best. Stock '07 e90 328i with wheels and tires only(18x8.5 225/40/18; 18x9.5 255/35/18). Tires were Falken FK452s.
My friend in a bone stock '06 e90 330i got a 2:18.882.