ECU Autronic
Serial Number; 8420
SM4 is a configurable 3rd generation 8 Injector output / 4 Ignition output ECU. Its features provide a better driving experience, exhaust emission control and for motorsport use. Holds rich features that allows it to support a variety of engine types including engines that have between 1 to 16 cylinders, and 2 rotor Rotary engines. Feedback control of 2 variable camshafts is possible.