Thanks for the link kenneth. I'm going to bookmark that page so I can reference it when making driving school plans for the season. I see lots of road trips in my future. I just wish at least one of these tracks was less than a days drive away.
2008 AW E90 M3 - current
2002 TIAG E46 M3 - gone
1991 DiamondSchwartz E30 M3 - gone but not forgotten