Welcome back!
The two main events (at least for me) are:
- BMWCCA Oktoberfest in mid June.
http://ofest.bmwcca.org/
- Drive 4 Corners the first weekend in August.
http://drive4corners.com/
We've also posted all the other goings on over on the FB site under Events.
https://www.facebook.com/groups/403141303104943/
Also the general Colorado BMW Groupe FB site.
https://www.facebook.com/groups/Coloradobmwgroupe/