This kit includes: - ECU - Simplified wiring - Gas pedal Suitable for M57 engines - 184hp 193hp 163hp M57D30/D25 Custom ECU programming available below. Simplified wiring D1 includes: Ecu plug Gas pedal plug Obd2 plug Out for constant +12V Out for +12V on switch (key position 1) Out for ground (earth ring) Out for RPM gauge Out for alternator lamp Out for oil pressure lamp Out for signal to fuel pump relay 1.44bar 225-230hp standard stage1 Note: Wirings may have differences from the photo shown but same placement.