P.S. If you have issues getting hold of Sierra5 to obtain the FSC code; you can use this seller:
I got the code from him with about 30 mins.
Mods so far: 20" LM reps, Eibach Sportline, LCI tail-lights, LED H8 angel eyes, black grille, Black BMW badges, CIC/Combox/Bluetooth/6FL/6NF/6NR retrofit, rear headset monitors and PS2.
Awaiting iPhone 5 music/media snap-in adapter.