It's the weekend of May 14th. Here is a link to the North Star club where the enrollment is.
http://htmldb.northstarbmw.org/pls/h...:1523,CAL_LIST
The free tech inspection is this week, on Thursday. Details are on the site.
I'm enrolled. I have been to Brainerd one other time with the PCA in a Boxster S. This will be the first time in the M3. Should be fun.