Identification and evidence
Bosch's vehicle component catalogue lists Audi A8 4.2-litre ABZ, June 1994 to December 1998, with M5.4. Full hardware identification is required for a particular vehicle.
Identification and scope
Retain the complete ECU designation, Bosch and vehicle-manufacturer part numbers, engine, vehicle year and market, hardware and software identity. Similar names do not establish shared pin assignments, calibration files or programming procedures. Examples above are source-scoped and are not a complete fitment list.
Source accessed 10 November 2026.