If it's a car for
YOU
Occasional tracking
Never owned a Porsche
I'd say go with the cayman !! Despite my love for the M2CS I see no real point in you upgrading to that unless ur a huuuge bmw fan. I've seen ur car and it's close enough to a CS already!
Having said that let me know when you part out that OG
Best of luck with your choice! Gotta love first world problems lol