This kit includes: - ECU - Simplified wiring - OPTIONAL FUEL PUMP AND FILTER - OPTIONAL GAS PEDAL Suitable for M57 engines - 184hp 193hp 163hp M57D30/D25 Custom ECU programming available below. Simplified wiring includes: Ecu plug Gas pedal plug Obd2 plug Fuel pump plug Out for constant +12V Out for +12V on switch (ignition) Out for ground (earth ring) Out RPM Out alternator lamp Out oil pressure lamp Note: Wirings may have differences from the photo shown but same placement.