Here are my first impressions that I posted awhile back:
http://www.f30post.com/forums/showthread.php?t=755246 After a couple thousand miles, I haven't changed my opinion. I drive almost exclusively in Sport or Sport+...Comfort can be a bit bouncy....but as I noted in my first impressions, it's not as bouncy as I have experienced with other cars with aftermarket springs and stock dampers.
It's clearly stiffer and you certainly feel more of the bumps, but I've never once regreted it.