Hopefully! It was a bunch of PCA guys there...maybe 20 cars with about 10 on the track at any one time?
I will say the PCA guys are uber courteous. You ALWAYS get mirror taps and prompt point bys...none of this following the same car for laps at a time.
2015 F34 328iX GT Glacier Silver
2011 E90 M3 Monte Carlo Blue
2004 E46 M3 Imola Red