EDC1 / EDC2
The first generation of Bosch diesel ECUs — Audi 80 / A6 TDI, BMW 525 TDS, 1990–1997. EDC2 is a transitional generation sharing the same binary layout.
| Era | 1990–1997 |
| File sizes | 32–64 KB |
| Vehicles | Audi 80/A6 TDI, BMW 525 TDS |
| Example bins | 8A0907401A, 4A0907401E/P, 028906021D |
Detection
Size gate (32–64 KB) + Bosch diesel signatures. Checksums: no family profile (generic sweep only).