its not like they're doing away with the 6's and just running 4's. yes, an NA 4 would be weksos, but a turbo 4 should be able to pull cars like the 3 nicely. hell, it would make a ton more torque than the 328i. audi's 2.0T makes 258 lb/ft...much more than the 200 lb/ft in the 328i.
AW/Terra | ZSP | ZPP | ZCW | iDrive | CA
Mods: BC BR coilovers | Blacklines | M-tech rear | dual exhaust | M3 steering wheel | BMW SSK | ZHP shift knob | High-kick CF spoiler | NBT Retrofit
M3 front control arms | M3 rear guide rods | Manzo rear toe and camber links | Monroe rear shock mounts | Varrstoen ES1 19x9.5+20 Front, 19x11+25 rear