well, you want my honest opinion.. get an e46 M3. drive that, mod that.. get used to driving an M car(assuming you havent owned one yet?).. it is a lot of car.. a lot of power, and 18 w that kind of power can be costly and dangerous.. you mature a lot in your first 10 years of driving.
Current: '15 Yas Marina Blue F82 M4 Coupe/Loaded with no CCB
Gone: '11 E92 335is DCT Blk Sph /Oyster/Every Option
Gone: '05 E46 330iZHP Jet Blk/Natural Brown Too many Mods to list.