This kit includes: - ECU MS43 - Simplified wiring (body side) - Gas pedal Suitable for M54 engines - 170hp 192hp 231hp M54B22 M54B25 M54B30 Custom ECU programming available below. Simplified wiring 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 Note: Wirings may have differences from the photo shown but same placement.