This is an original ECU for a BMW E36 320i M50B20. Siemens MS40.1. The ECU has had the EWS disabled / removed and is completely plug and play. It is a tuned / remapped version of the original ECU and we can adjust this to suite your mods and needs or if your vehicles is standard. These are often used in track, drift and road setups. Ideal for engine conversions or a direct replacement for a failed ECU.

We also offer a Standard Version of this ECU if required.