Congratulations! I remember the feeling well. Couldn't sleep the night before I picked it up, got up about 4 AM, had about 10 cups of coffee prior to the pickup. Just wait till you finish the 1200 mile breakin, and are able to rev it close to 8000rpm. There is no power like M power!
2003 M3 Jet Black on Imola Red, SMG, 18" rims