ECU reference number guide: identify OEM, Bosch, hardware and software numbers, match compatible files and avoid costly ECU programming errors.
Guides
Practical guides and tutorials for ECU professionals — reading methods, tooling and checksum.
Identify Your ECU: The Proven Way to Get It Right Fast
Identify your ECU using its label, OEM and software numbers, engine code and electronic ID, then match the correct original file safely.
