SP ProEFI BMW E46 M3 Package: Package includes: Pro128 Standalone ECU E46 M3 Adapter Harness for Pro128 (specify SMG or non SMG trans below) E46 ECU Bracket w/ Inj Resistor Packs, Ignitors, and harness 5 Bar Map sensor Wideband O2 sensor kit Fuel Pressure 150psi sensor iBoost system (works with factory Cruise Control buttons!) Options: Select Transmission for application. Select your ProEFI Gauge/Display. Choose Flex Fuel sensor for E85 Ethanol capabilities just like the OEMs. Choose CAN Cable if you would like the option to hook your ProEFI up to a laptop. Additional sensors, dataloggers, and components also available.