Ok Spec that i know of (Mates car remember)

321BHP As standard from BMW +

Full AC Scnitser (Or however you spell it) Decat stainless System
AC Scnitser full engine kit (Dont know what that consits of?)
£4500 AC Scnitser Gear box (Import from Gremany)
Super chip fitted by SCC
Green Induction kit
Full "Wet" Wizards of Nos 100BHP Kit
De Restricted from 155mph (Have been in the car and seen 180 on the GPS)

Thats all i know about, i know since he has had it though he has chucked the best part of 15k at the car...