M2.x
Motorola MC68000 / MC68HC16-based ECUs between the M1.x and M3.x eras — VW/Audi M2.9, Porsche 964 (M2.3), Opel M2.7/M2.8/M2.81.
| Era | 1993–1999 |
| File sizes | 32–128 KB |
| Vehicles | VW/Audi, Porsche 964, Opel |
Detection
Size gate + Motorola-era signatures. Checksums: no family profile.