AUDI · SIMOS 18.4 ECU · petrol

AUDI A7 SIMOS 18.4 tuning files

Tuning file coverage for the AUDI A7 running the SIMOS 18.4 ECU. Across the matched variants stock power runs from 303 to 303 HP. There are 5 distinct variants on file for this combination. On this petrol engine the focus is sharper throttle and useful, repeatable gains. Every file is matched to the exact calibration on your vehicle and signed off by an operator.

Upload your file →All A7 coverage

Available solutions

Solutions that apply to the SIMOS 18.4 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

5 distinct variants for the AUDI A7 on the SIMOS 18.4 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
3000 303HP
Controller brand
SIEMENS
ECU
SIMOS 18.4
Stock power
303 HP
ECU SW
0007
ECU HW
4K0906259
SW upgrade
4K0906259_0007
Calibration
4K0906259_0007

Variant 2

ECU
Catalog engine
3000 303HP
Controller brand
SIEMENS
ECU
SIMOS 18.4
Stock power
303 HP
ECU SW
6576615301
SW upgrade
4K0906259D_0005
Calibration
4K0906259D_0005

Variant 3

ECU
Catalog engine
3000 303HP
Controller brand
SIEMENS
ECU
SIMOS 18.4
Stock power
303 HP
ECU SW
6576615301
SW upgrade
4KD906259D_0002
Calibration
4KD906259D_0002

Variant 4

ECU
Catalog engine
3000 303HP
Controller brand
SIEMENS
ECU
SIMOS 18.4
Stock power
303 HP
SW upgrade
4K0906259_0005
Calibration
4K0906259_0005

Variant 5

ECU
Catalog engine
3000 303HP
Controller brand
SIEMENS
ECU
SIMOS 18.4
Stock power
303 HP
SW upgrade
80A906259E_0003
Calibration
80A906259E_0003

Related vehicles

Other vehicles built on the SIMOS 18.4 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the AUDI A7 on the SIMOS 18.4?

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 18.4 ECU software on this model?

Yes — the AUDI A7 on the SIMOS 18.4 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 A7 SIMOS 18.4 ECU Tuning Files | TuningBay