The answer to all 3 questions is NO. And you don't need 30-40k for all those parts. Buy a used supercharged kit here for 7-10k and your done. Stock transmission and brakes are fine!!
E92 M3 DCT...Powered by ESS VT2 650/DCT GTS Software/Aquamist HFS-3 50/50/Morr /Toyo R888's
ATCO RACEWAY: 10.65 @ 131.79MPH 1.725 60FT
(Stock ESS 625)