Sweeper, I have a very similar OEM carbon spoiler on my M3, it looks awesome in my view and thus I imagine the F30 would benefit greatly from the one you have. How are you getting on with the other bits?
F10 M5 Competition White / Sakhir Orange
Loaded, Akra carbon titanium exhaust, Carbon trim, Carbon spoiler, RKP carbon front lip + diffusor.
F31 330d M Sport (Alpine White / Red)
Loaded, 405M 20", M perf: skirts, brakes red.