I would highly recommend a short shifter knob and a fron aero lip and may be a M3 spoiler.... Those were one of the 1st mods I did to my 335 back in the day.
Current: 2016 F10 535i xDrive AW w/ Black Dakota, ZMM, ZCW, ZDA, ZDB, ZPP, 688 & Black Grills + Euro Headlight Switch, Euro Tail Lights, Euro Side Mirrors, Euro Warning Triangle, Euro First Aid Kit, M5 Spoiler, M-Performance Style Front Lip
Retired: 2011 E92 M3 -AW
....ED April 29th, 2010
Retired: 2007 E92 335i -Space Gray.....ED Oct 19th, 2006