Motronic 2 navigation
This index groups ECU designations beginning M2, ML2 and ME2 for browsing. These are distinct labels: Bosch's vehicle component catalogue lists M 2.1, ML 2.1 and ME 2.1 separately. The common number is a navigation aid and does not establish identical hardware, sensors, software or pinouts. Bosch vehicle component applications.
Identification and scope
For any vehicle record its engine code, Bosch and vehicle-manufacturer ECU numbers, software, year and market. Consult its wiring and service information. The branches are selected sourced examples, not a complete catalogue or interchangeable programming guide.
Sources
- Bosch: electronic fuel injection vehicle component applications, independent mirror; M 2.1, ML 2.1 and ME 2.1 vehicle listings.
- Bosch: ME-Motronic technical instruction, independent mirror; electronic throttle-control terminology.
- Chiptuner-Datenbank: control units, M2 ECU designations; catalogue examples, not verified universal fitment. Sources accessed 10 November 2026.