Bosch MA1.2.3 original ECU files
Original (stock) files read from Bosch MA1.2.3 engine control units: 44 files for 3 makes and 8 models. Find your exact file by its hardware (HW), software (SW) or calibration number and compare it with your own read.
Vehicles with a Bosch MA1.2.3 ECU 8
All Bosch MA1.2.3 files 44
| Vehicle | ECU | HW | SW | Calibration / upgrade | |
|---|---|---|---|---|---|
| Seat Cordoba1.6 8V 75hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Seat Cordoba1.6 8V 75hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Seat Cordoba1.8 8V 90hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Seat Ibiza1.0 8V 60hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Seat Ibiza1.3 8V 54hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Seat Ibiza1.3 8V 54hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Seat Ibiza1.4 8V 60hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Seat Ibiza1.4 8V 60hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Seat Ibiza1.4 8V 60hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Seat Ibiza1.4 8V 60hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Seat Ibiza1.4 8V 60hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Seat Ibiza1.6 8V 75hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Seat Ibiza1.6 8V 75hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Seat Ibiza1.8 8V 90hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Seat Toledo1.6 8V 75hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Skoda Favorit1.3 8V 68hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Skoda Favorit1.3 8V 54hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Skoda Favorit1.3 8V 54hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Skoda Favorit1.3 8V 54hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Skoda Felicia1.3 8V 68hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Skoda Felicia1.3 8V 68hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Skoda Felicia1.3 8V 68hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Skoda Felicia1.3 8V 54hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Skoda Felicia1.3 8V 54hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Volkswagen Golf 31.4 8V 60hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Volkswagen Golf 31.4 8V 60hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Volkswagen Golf 31.4 8V 60hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Volkswagen Golf 31.6 8V 75hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Volkswagen Golf 31.6 8V 75hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Volkswagen Golf 31.8 8V 90hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Volkswagen Golf 31.8 8V 90hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Volkswagen Golf 31.8 8V 90hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Volkswagen Golf 31.8 8V 90hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Volkswagen Golf 31.8 8V 90hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Volkswagen Passat 31.8 8V 75hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Volkswagen Passat 31.8 8V 75hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Volkswagen Passat 31.8 8V 75hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Volkswagen Passat 31.8 8V 75hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Volkswagen Passat 31.8 8V 75hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Volkswagen Polo1.1 8V 45hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Volkswagen Polo1.1 8V 45hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Volkswagen Polo1.1 8V 45hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Volkswagen Polo1.1 8V 45hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
| Volkswagen Polo1.1 8V 45hp | Bosch MA1.2.3 | — | — | — | €20 · Open |
All hardware, software and calibration numbers
Find the number from your ECU read (Ctrl+F) and open the matching file.
Tuning for Bosch MA1.2.3 — done by our engineers
- Stage 1 / Stage 2 / ECO
- DPF / FAP OFF
- EGR OFF
- AdBlue / SCR OFF
- DTC OFF
- Speed limiter, Start&Stop
Questions
Are these files modified?
No. Every file is an original (stock) read of a Bosch MA1.2.3 control unit, delivered exactly as read. If you need a modified file, order tuning below.
How do I find the right file?
Read the ECU with your tool and compare the hardware (HW) and software (SW) numbers — and the calibration when several files share one software number. The vehicle name alone is not enough: the identifiers decide.
How do I get the file?
Create an account on our file service, top up your balance and download the file straight away. Every original file costs €20.
My number is not listed. What now?
Send us the HW/SW numbers of your ECU on WhatsApp or by email. We check our full archive and reply.
Can you tune Bosch MA1.2.3?
Yes. We make Stage 1/2 files and DPF, EGR, AdBlue/SCR and DTC solutions for Bosch MA1.2.3 (depending on the engine). Upload your read on our file service.