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 Frozen Austin Yellow / Sakhir Orange
Loaded, Akra carbon titanium exhaust, Carbon trim, Carbon spoiler, RKP carbon front lip + diffusor.
F15 X5 M50d - Mineral White w/Mocha Nappa Leather. Loaded, 599M 21" wheels, all M-perf. accessories.