The 4 series needs the mperformance exterior parts more than the F30. Remember that white one with the mperf parts. That's the way to go.
EBII '13 335i xDrive
320HP, Auto Sport, 19" 403M Tires, Prem, Tech, Cold, Driver Assist & DH pkgs
AW 2011 X5 35i Premium
300HP, Prem, Convenience, Cold and Tech packages