Page organisation in this revision
- Page type
- ECU hub
- Subject
- ECUs
- Parent
- Bosch M-Motronic 5
- Applies to
- No ECU-specific applicability
- Tool groups
- None
- Manufacturers
- None
Changes from revision 2 to revision 2
Removed text is struck through; added text is highlighted.
Identification and evidence
An ATC Drivetrain repair catalogue identifies an Audi A8 AKJ 3.7-litre 1997–1999 example as Bosch M5.4.1. This is the repairer's scoped listing, not an exhaustive fitment list.
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.
View this ECU in the TuningService catalogue.
Rendered revisions
Open each version to inspect formatting, tables and photographs.
Revision 2: Bosch Motronic M5.4.1
Identification and evidence
An ATC Drivetrain repair catalogue identifies an Audi A8 AKJ 3.7-litre 1997–1999 example as Bosch M5.4.1. This is the repairer's scoped listing, not an exhaustive fitment list.
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.
View this ECU in the TuningService catalogue.
Revision 2: Bosch Motronic M5.4.1
Identification and evidence
An ATC Drivetrain repair catalogue identifies an Audi A8 AKJ 3.7-litre 1997–1999 example as Bosch M5.4.1. This is the repairer's scoped listing, not an exhaustive fitment list.
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.
View this ECU in the TuningService catalogue.