AUDI · SIMOS 3.03 ECU · petrol

AUDI A3 SIMOS 3.03 tuning files

The AUDI A3 on the SIMOS 3.03, mapped from stock file to finished result. Stock output across the matched variants spans 102–102 HP. 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 3.03 on this petrol platform. The exact set depends on the specific engine and software version.

Engine variants & ECU software

1 distinct variant for the AUDI A3 on the SIMOS 3.03 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
1600 8V 102HP
Generation
8P Mk1 2003-2008
Matched gains engine
1.6 8V 102
Controller brand
SIEMENS
ECU
SIMOS 3.03
Stock power
102 HP
Stage 1 power
114 HP
Power increase
+12 HP (+12%)
Stock torque
148 Nm
Stage 1 torque
163 Nm
Torque increase
+15 Nm (+10%)
SW upgrade
06A906033A_3203
Calibration
06A906033A_3203

Related vehicles

Other vehicles built on the SIMOS 3.03 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 3.03?

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 3.03 ECU software on this model?

Yes — the AUDI A3 on the SIMOS 3.03 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 3.03 ECU Tuning Files | TuningBay