Variant 1
ECU- Catalog engine
- 2000 301HP
- Controller brand
- SIEMENS
- ECU
- SIMOS 18.1
- Stock power
- 301 HP
- SW upgrade
- 8V0906259A_0004
- Calibration
- 8V0906259A_0004
AUDI · SIMOS 18.1 ECU · petrol
AUDI S3 SIMOS 18.1 tuning files
The AUDI S3 on the SIMOS 18.1, mapped from stock file to finished result. The matched variants sit between 286 and 301 HP from the factory. 10 distinct variants are catalogued here. On this petrol engine the focus is sharper throttle and useful, repeatable gains. Your file is built against the exact ECU software on the car, then operator-verified.
Available solutions
What we can run on the SIMOS 18.1 for this petrol — the precise options narrow down by engine and software version.
Engine variants & ECU software
10 distinct variants for the AUDI S3 on the SIMOS 18.1 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 2000 301HP
- Engine code
- CJXE
- Controller brand
- SIEMENS
- ECU
- SIMOS 18.1
- Stock power
- 301 HP
- SW upgrade
- 5G0906259E_0006
- Calibration
- 5G0906259E_0006
Variant 3
ECU- Catalog engine
- 2000 301HP
- Controller brand
- SIEMENS
- ECU
- SIMOS 18.1
- Stock power
- 301 HP
- ECU SW
- 0004
- ECU HW
- 8V0906259A
- SW upgrade
- 8V0906259A_0004
- Calibration
- 8V0906259A_0004
Variant 4
ECU- Catalog engine
- 2000 301HP
- Engine code
- CJXE
- Controller brand
- SIEMENS
- ECU
- SIMOS 18.1
- Stock power
- 301 HP
- Calibration
- 5G0906259G_0001
Variant 5
ECU- Catalog engine
- 2000 301HP
- Engine code
- CJXE
- Controller brand
- SIEMENS
- ECU
- SIMOS 18.1
- Stock power
- 301 HP
- SW upgrade
- 5G0906259E_0007
- Calibration
- 5G0906259E_0007
Variant 6
ECU- Catalog engine
- 2000 301HP
- Engine code
- CJXE
- Controller brand
- SIEMENS
- ECU
- SIMOS 18.1
- Stock power
- 301 HP
- Calibration
- 5G0906259G_0002
Variant 7
ECU- Catalog engine
- 2000 301HP
- Engine code
- CJXE
- Controller brand
- SIEMENS
- ECU
- SIMOS 18.1
- Stock power
- 301 HP
- Calibration
- 5G0906259G_0003
Variant 8
ECU- Catalog engine
- 2000 301HP
- Engine code
- CJXE
- Controller brand
- SIEMENS
- ECU
- SIMOS 18.1
- Stock power
- 301 HP
- ECU HW
- CASC8O30.DAT
- SW upgrade
- 8V0906259F_0002
- Calibration
- 8V0906259F_0002
Variant 9
ECU- Catalog engine
- 2000 286HP
- Controller brand
- SIEMENS
- ECU
- SIMOS 18.1
- Stock power
- 286 HP
- SW upgrade
- 8V0906259A_0002
- Calibration
- 8V0906259A_0002
Variant 10
ECU- Catalog engine
- 2000 286HP
- Controller brand
- SIEMENS
- ECU
- SIMOS 18.1
- Stock power
- 286 HP
- ECU SW
- 0002
- ECU HW
- 5G0906259E
- SW upgrade
- 5G0906259E_0002
- Calibration
- 5G0906259E_0002
Related vehicles
Other vehicles built on the SIMOS 18.1 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the AUDI S3 on the SIMOS 18.1?
Stage 1, Stage 2, Swirl Flaps Off, Lambda / O2, OPF/GPF Off. The exact set depends on the specific engine and software version.
Do you cover the SIMOS 18.1 ECU software on this model?
Yes — the AUDI S3 on the SIMOS 18.1 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.
How is the file delivered?
Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.