If you can, save up for mtech(looks great and great fitment). If you want to spend less, you can get the m3 style bumper. But hey this gives you a chance to get a new bumper! Seeing how the m3 one fits well, it's a win win!
07 E92 335!
AA AE GP HR LC M3 KW BMS BMW LUX CYBA STRI WORK HELIX MTECH LSWEEE(Wavetrac)!