I bought a 335is a week ago and I also plan to track it quite a bit. I've already ordered a square set of 18x8.5's with Mich SS 255/35/18 tires that will be my primary track setup. Brakes are next. How do you like these Rotors so far? Any track time yet?
PS - I'm a little overwhelmed right now with the "mods", but I'm hoping tires and brakes make a huge difference. Following your other thread for sure.