AUDI · SIMOS 18.1 ECU · petrol

AUDI A3 SIMOS 18.1 tuning files

The AUDI A3 on the SIMOS 18.1, mapped from stock file to finished result. The matched variants sit between 177 and 220 HP from the factory. It is a petrol platform, tuned for response and clean power delivery. Each file is tied to the precise software on your car and checked before it goes out.

Available solutions

Solutions that apply to the SIMOS 18.1 on this petrol platform. The exact set depends on the specific engine and software version.

Engine variants & ECU software

3 distinct variants for the AUDI A3 on the SIMOS 18.1 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
2000 220HP
Engine code
CJXE
Generation
8V Mk1 2012-2016
Matched gains engine
2.0 TFSI 220
Controller brand
SIEMENS
ECU
SIMOS 18.1
Stock power
220 HP
Stage 1 power
300 HP
Power increase
+80 HP (+36%)
Stock torque
350 Nm
Stage 1 torque
440 Nm
Torque increase
+90 Nm (+26%)
SW upgrade
5G0906259A_0006
Calibration
5G0906259A_0006

Variant 2

ECU
Catalog engine
2000 220HP
Engine code
CJXE
Generation
8V Mk1 2012-2016
Matched gains engine
2.0 TFSI 220
Controller brand
SIEMENS
ECU
SIMOS 18.1
Stock power
220 HP
Stage 1 power
300 HP
Power increase
+80 HP (+36%)
Stock torque
350 Nm
Stage 1 torque
440 Nm
Torque increase
+90 Nm (+26%)
ECU SW
10301609AA
SW upgrade
5G0906259A_0005
Calibration
5G0906259A_0005

Variant 3

ECU
Catalog engine
1800 177HP
Controller brand
SIEMENS
ECU
SIMOS 18.1
Stock power
177 HP
SW upgrade
5G0906259A_0002
Calibration
5G0906259A_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 A3 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 A3 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.

AUDI A3 SIMOS 18.1 ECU Tuning Files | TuningBay