Home / Tuning / AUDI / TT / SIMOS 18.1 AUDI · SIMOS 18.1 ECU · petrol
AUDI TT SIMOS 18.1 tuning files The AUDI TT on the SIMOS 18.1, mapped from stock file to finished result. Across the matched variants stock power runs from 230 to 306 HP. There are 10 distinct variants on file for this combination. On this petrol engine the focus is sharper throttle and useful, repeatable gains. Each file is tied to the precise software on your car and checked before it goes out.
Available solutions What we can run on the SIMOS 18.1 for this petrol — the precise options narrow down by engine and software version.
Engine variants & ECU software 10 distinct variants for the AUDI TT on the SIMOS 18.1 ECU. Reference the engine and controller software when you upload.
Variant 1 ECU
Catalog engine 2000 306HP
Generation 8S Mk2 09/2018
Matched gains engine S (2.0 TFSI) 306
Controller brand SIEMENS
ECU SIMOS 18.1
Stock power 306 HP
Stage 1 power 350 HP
Power increase +44 HP (+14%)
Stock torque 380 Nm
Stage 1 torque 460 Nm
Torque increase +80 Nm (+21%)
SW upgrade 8S0906259B_0004
Calibration 8S0906259B_0004
Variant 2 ECU
Catalog engine 2000 230HP
Generation 8S Mk1 2014-2018
Matched gains engine 2.0 TFSI 230
Controller brand SIEMENS
ECU SIMOS 18.1
Stock power 230 HP
Stage 1 power 300 HP
Power increase +70 HP (+30%)
Stock torque 370 Nm
Stage 1 torque 440 Nm
Torque increase +70 Nm (+19%)
ECU HW CASC8LB6.DAT
SW upgrade 8S0906259B_0005
Calibration 8S0906259B_0005
Variant 3 ECU
Catalog engine 2000 230HP
Generation 8S Mk1 2014-2018
Matched gains engine 2.0 TFSI 230
Controller brand SIEMENS
ECU SIMOS 18.1
Stock power 230 HP
Stage 1 power 300 HP
Power increase +70 HP (+30%)
Stock torque 370 Nm
Stage 1 torque 440 Nm
Torque increase +70 Nm (+19%)
SW upgrade 8S0906259_0002
Calibration 8S0906259_0002
Variant 4 ECU
Catalog engine 2000 230HP
Generation 8S Mk1 2014-2018
Matched gains engine 2.0 TFSI 230
Controller brand SIEMENS
ECU SIMOS 18.1
Stock power 230 HP
Stage 1 power 300 HP
Power increase +70 HP (+30%)
Stock torque 370 Nm
Stage 1 torque 440 Nm
Torque increase +70 Nm (+19%)
SW upgrade 5G0906259AD_0002
Calibration 5G0906259AD_0002
Variant 5 ECU
Catalog engine 2000 230HP
Generation 8S Mk1 2014-2018
Matched gains engine 2.0 TFSI 230
Controller brand SIEMENS
ECU SIMOS 18.1
Stock power 230 HP
Stage 1 power 300 HP
Power increase +70 HP (+30%)
Stock torque 370 Nm
Stage 1 torque 440 Nm
Torque increase +70 Nm (+19%)
ECU SW 10324281AA
ECU HW CASC8LB6.DAT
Calibration 8S0906259_0005
Variant 6 ECU
Catalog engine 2000 230HP
Generation 8S Mk1 2014-2018
Matched gains engine 2.0 TFSI 230
Controller brand SIEMENS
ECU SIMOS 18.1
Stock power 230 HP
Stage 1 power 300 HP
Power increase +70 HP (+30%)
Stock torque 370 Nm
Stage 1 torque 440 Nm
Torque increase +70 Nm (+19%)
SW upgrade 8S0906259_0003
Calibration 8S0906259_0003
Variant 7 ECU
Catalog engine 2000 230HP
Generation 8S Mk1 2014-2018
Matched gains engine 2.0 TFSI 230
Controller brand SIEMENS
ECU SIMOS 18.1
Stock power 230 HP
Stage 1 power 300 HP
Power increase +70 HP (+30%)
Stock torque 370 Nm
Stage 1 torque 440 Nm
Torque increase +70 Nm (+19%)
SW upgrade 5F6906259AB_0001
Calibration 5F6906259AB_0001
Variant 8 ECU
Catalog engine 2000 230HP
Generation 8S Mk1 2014-2018
Matched gains engine 2.0 TFSI 230
Controller brand SIEMENS
ECU SIMOS 18.1
Stock power 230 HP
Stage 1 power 300 HP
Power increase +70 HP (+30%)
Stock torque 370 Nm
Stage 1 torque 440 Nm
Torque increase +70 Nm (+19%)
SW upgrade 8S0906259_0005
Calibration 8S0906259_0005
Variant 9 ECU
Catalog engine 2000 230HP
Generation 8S Mk1 2014-2018
Matched gains engine 2.0 TFSI 230
Controller brand SIEMENS
ECU SIMOS 18.1
Stock power 230 HP
Stage 1 power 300 HP
Power increase +70 HP (+30%)
Stock torque 370 Nm
Stage 1 torque 440 Nm
Torque increase +70 Nm (+19%)
ECU SW 10324281AA
SW upgrade 8S0906259K_0001
Calibration 8S0906259K_0001
Variant 10 ECU
Catalog engine 2000 230HP
Generation 8S Mk1 2014-2018
Matched gains engine 2.0 TFSI 230
Controller brand SIEMENS
ECU SIMOS 18.1
Stock power 230 HP
Stage 1 power 300 HP
Power increase +70 HP (+30%)
Stock torque 370 Nm
Stage 1 torque 440 Nm
Torque increase +70 Nm (+19%)
SW upgrade 5G0906259AH_0001
Calibration 5G0906259AH_0001 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 TT 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 TT 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.