AUDI · SIMOS12.1 ECU · petrol

AUDI A4 SIMOS12.1 tuning files

Everything we work with on the AUDI A4 fitted with the SIMOS12.1. Stock output across the matched variants spans 170–170 HP. It is a petrol platform, tuned for response and clean power delivery. We match the right calibration to your exact software and validate it before delivery.

Upload your file →All A4 coverage

Available solutions

Solutions that apply to the SIMOS12.1 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

11 distinct variants for the AUDI A4 on the SIMOS12.1 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 1800 170HP
Generation: B8 Mk2 2012-2015
Matched gains engine: 1.8 TFSI 170
Controller brand: SIEMENS
ECU: SIMOS12.1
Stock power: 170 HP
Stage 1 power: 220 HP
Power increase: +50 HP (+29%)
Stock torque: 320 Nm
Stage 1 torque: 380 Nm
Torque increase: +60 Nm (+19%)
ECU SW: 0002
ECU HW: 8K0906264C
SW upgrade: 8K0906264C_0002
Calibration: 8K0906264C_0002

Variant 2

ECU

Catalog engine: 1800 170HP
Generation: B8 Mk2 2012-2015
Matched gains engine: 1.8 TFSI 170
Controller brand: SIEMENS
ECU: SIMOS12.1
Stock power: 170 HP
Stage 1 power: 220 HP
Power increase: +50 HP (+29%)
Stock torque: 320 Nm
Stage 1 torque: 380 Nm
Torque increase: +60 Nm (+19%)
SW upgrade: 8K0906264A_0002
Calibration: 8K0906264A_0002

Variant 3

ECU

Catalog engine: 1800 170HP
Generation: B8 Mk2 2012-2015
Matched gains engine: 1.8 TFSI 170
Controller brand: SIEMENS
ECU: SIMOS12.1
Stock power: 170 HP
Stage 1 power: 220 HP
Power increase: +50 HP (+29%)
Stock torque: 320 Nm
Stage 1 torque: 380 Nm
Torque increase: +60 Nm (+19%)
SW upgrade: 8K0906264_0007
Calibration: 8K0906264_0007

Variant 4

ECU

Catalog engine: 1800 170HP
Generation: B8 Mk2 2012-2015
Matched gains engine: 1.8 TFSI 170
Controller brand: SIEMENS
ECU: SIMOS12.1
Stock power: 170 HP
Stage 1 power: 220 HP
Power increase: +50 HP (+29%)
Stock torque: 320 Nm
Stage 1 torque: 380 Nm
Torque increase: +60 Nm (+19%)
SW upgrade: 8K0906264B_0003
Calibration: 8K0906264B_0003

Variant 5

ECU

Catalog engine: 1800 170HP
Generation: B8 Mk2 2012-2015
Matched gains engine: 1.8 TFSI 170
Controller brand: SIEMENS
ECU: SIMOS12.1
Stock power: 170 HP
Stage 1 power: 220 HP
Power increase: +50 HP (+29%)
Stock torque: 320 Nm
Stage 1 torque: 380 Nm
Torque increase: +60 Nm (+19%)
SW upgrade: 8K0906264C_0001
Calibration: 8K0906264C_0001

Variant 6

ECU

Catalog engine: 1800 170HP
Engine code: CJEB
Generation: B8 Mk2 2012-2015
Matched gains engine: 1.8 TFSI 170
Controller brand: SIEMENS
ECU: SIMOS12.1
Stock power: 170 HP
Stage 1 power: 220 HP
Power increase: +50 HP (+29%)
Stock torque: 320 Nm
Stage 1 torque: 380 Nm
Torque increase: +60 Nm (+19%)
ECU SW: 10274307AA
ECU HW: CASC18F6.DAT
Calibration: 8K0906264A_0004

Variant 7

ECU

Catalog engine: 1800 170HP
Engine code: CJEB
Generation: B8 Mk2 2012-2015
Matched gains engine: 1.8 TFSI 170
Controller brand: SIEMENS
ECU: SIMOS12.1
Stock power: 170 HP
Stage 1 power: 220 HP
Power increase: +50 HP (+29%)
Stock torque: 320 Nm
Stage 1 torque: 380 Nm
Torque increase: +60 Nm (+19%)
ECU SW: 10228301AA
ECU HW: CASC1880.DAT
SW upgrade: 8K0906264_0005
Calibration: 8K0906264_0005

Variant 8

ECU

Catalog engine: 1800 170HP
Generation: B8 Mk2 2012-2015
Matched gains engine: 1.8 TFSI 170
Controller brand: SIEMENS
ECU: SIMOS12.1
Stock power: 170 HP
Stage 1 power: 220 HP
Power increase: +50 HP (+29%)
Stock torque: 320 Nm
Stage 1 torque: 380 Nm
Torque increase: +60 Nm (+19%)
SW upgrade: 8K0906264_0009
Calibration: 8K0906264_0009

Variant 9

ECU

Catalog engine: 1800 170HP
Engine code: CJEB
Generation: B8 Mk2 2012-2015
Matched gains engine: 1.8 TFSI 170
Controller brand: SIEMENS
ECU: SIMOS12.1
Stock power: 170 HP
Stage 1 power: 220 HP
Power increase: +50 HP (+29%)
Stock torque: 320 Nm
Stage 1 torque: 380 Nm
Torque increase: +60 Nm (+19%)
ECU SW: 10274330AA
ECU HW: CASC18F6.DAT
SW upgrade: 8K0906264B_0001
Calibration: 8K0906264B_0001

Variant 10

ECU

Catalog engine: 1800 170HP
Generation: B8 Mk2 2012-2015
Matched gains engine: 1.8 TFSI 170
Controller brand: SIEMENS
ECU: SIMOS12.1
Stock power: 170 HP
Stage 1 power: 220 HP
Power increase: +50 HP (+29%)
Stock torque: 320 Nm
Stage 1 torque: 380 Nm
Torque increase: +60 Nm (+19%)
ECU SW: 0004
ECU HW: 8K0906264A
SW upgrade: 8K0906264A_0004
Calibration: 8K0906264A_0004

Variant 11

ECU

Catalog engine: 1800 170HP
Engine code: CJEB
Generation: B8 Mk2 2012-2015
Matched gains engine: 1.8 TFSI 170
Controller brand: SIEMENS
ECU: SIMOS12.1
Stock power: 170 HP
Stage 1 power: 220 HP
Power increase: +50 HP (+29%)
Stock torque: 320 Nm
Stage 1 torque: 380 Nm
Torque increase: +60 Nm (+19%)
ECU SW: 6269010000
ECU HW: 6269021000
SW upgrade: 8K0906264_0011
Calibration: 8K0906264_0011

Related vehicles

Other vehicles built on the SIMOS12.1 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the AUDI A4 on the SIMOS12.1?

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 SIMOS12.1 ECU software on this model?

Yes — the AUDI A4 on the SIMOS12.1 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.