AUDI · SIMOS10.12 ECU · petrol

AUDI A3 SIMOS10.12 tuning files

AUDI A3 on the SIMOS10.12: matched, calibrated and delivered with care. Across the matched variants stock power runs from 105 to 105 HP. Petrol calibration here is about crisp response and a result that holds up day to day. 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 SIMOS10.12 on this petrol platform. The exact set depends on the specific engine and software version.

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

Engine variants & ECU software

6 distinct variants for the AUDI A3 on the SIMOS10.12 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 1200 105HP
Controller brand: SIEMENS
ECU: SIMOS10.12
Stock power: 105 HP
ECU SW: 2679
ECU HW: 03F906070GQ
SW upgrade: 03F906070GQ_2679
Calibration: 03F906070GQ_2679

Variant 2

ECU

Catalog engine: 1200 105HP
Controller brand: SIEMENS
ECU: SIMOS10.12
Stock power: 105 HP
ECU SW: 9663
ECU HW: 03F906070B
SW upgrade: 03F906070J_9663
Calibration: 03F906070J_9663

Variant 3

ECU

Catalog engine: 1200 105HP
Controller brand: SIEMENS
ECU: SIMOS10.12
Stock power: 105 HP
SW upgrade: 03F906070JJ_2676
Calibration: 03F906070JJ_2676

Variant 4

ECU

Catalog engine: 1200 105HP
Controller brand: SIEMENS
ECU: SIMOS10.12
Stock power: 105 HP
SW upgrade: 03F906070AB_2672
Calibration: 03F906070AB_2672

Variant 5

ECU

Catalog engine: 1200 105HP
Engine code: CBZB
Controller brand: SIEMENS
ECU: SIMOS10.12
Stock power: 105 HP
SW upgrade: 03F906070CC_9674
Calibration: 03F906070CC_9674

Variant 6

ECU

Catalog engine: 1200 105HP
Engine code: CBZB
Controller brand: SIEMENS
ECU: SIMOS10.12
Stock power: 105 HP
SW upgrade: 03F906070HT_3610
Calibration: 03F906070HT_3610

Related vehicles

Other vehicles built on the SIMOS10.12 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 SIMOS10.12?

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 SIMOS10.12 ECU software on this model?

Yes — the AUDI A3 on the SIMOS10.12 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.