BMRLVR, sounds like our cars will be cousins, if not twins. After seeing your first E90 in Moonstone (RIP) and Mixja's, I switched from Silverstone to Moonstone.
My 2010 E90 is currently in production with mid-February ETA: Moonstone / Silver Extended / Brushed Aluminum / Cold, Premium & Technology Pkgs. / M-DCT / 19".
Did you source the Moonstone paint from the dealer to paint your calipers? I'm thinking of getting my helmet painted to match ...