AUDI · SIMOS10.23 ECU · petrol

AUDI A3 SIMOS10.23 tuning files

The AUDI A3 on the SIMOS10.23, mapped from stock file to finished result. The matched variants sit between 105 and 105 HP from the factory. 2 distinct variants are catalogued here. It is a petrol platform, tuned for response and clean power delivery. Your file is built against the exact ECU software on the car, then operator-verified.

Upload your file →All A3 coverage

Available solutions

Solutions that apply to the SIMOS10.23 on this petrol platform. The exact set depends on the specific engine and software version.

Stage 1Stage 2Swirl Flaps OffLambda / O2OPF/GPF Off

Engine variants & ECU software

2 distinct variants for the AUDI A3 on the SIMOS10.23 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
1200 105HP
Controller brand
SIEMENS
ECU
SIMOS10.23
Stock power
105 HP
ECU SW
4045
ECU HW
03F907309AL
SW upgrade
03F906070HR_4045
Calibration
03F906070HR_4045

Variant 2

ECU
Catalog engine
1200 105HP
Controller brand
SIEMENS
ECU
SIMOS10.23
Stock power
105 HP
SW upgrade
03F906070GT_3644
Calibration
03F906070GT_3644

Related vehicles

Other vehicles built on the SIMOS10.23 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the AUDI A3 on the SIMOS10.23?

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 SIMOS10.23 ECU software on this model?

Yes — the AUDI A3 on the SIMOS10.23 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.

AUDI A3 SIMOS10.23 ECU Tuning Files | TuningBay