bmw 328i performance chip

  1. "Chipping" my 328?

    Hey Guys, I just got a new 2009 328i Coupe loaded and was looking into putting a chip in it and I just ordered the OEM BMW Performance intake. This is what I could find that is not an ECU reflash. BMS Power Box - BMW Performance Tuner My question is there any other "chip" or Plug in tuner that...