I know and understand ALL the reasons to get a CF roof, but the reason I HAVE a moon roof - I have freedom and option to open the roof on a nice warm day. I live in New Jersey and it doesn't make sense to own a convertible here. A fully open or the tilted open sunroof come close.
2011 M3 Sedan DCT ZCP
2003 540i M-Sports Pkg, Dinan (retired)