I had this on my 335d and it was a complete and utter waste of money... presumed it'd be similar for the F3x so never bothered.
It's easier and faster to use a smartphone.
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.