Bosch is one of the most important manufacturers of engine control units.
The diesel series is characterized by the abbreviation EDC (Electronic Diesel Control). Typical names are EDC15, EDC16 and EDC17. The numbers describe the respective generation.
The petrol series carries names like Motronic, ME-Motronic, MEV-Motronic, MEV-Motronic. Typical names are ME7.5, MED9.1, MED17 and MEVD17.2.4.