SEAT · MG1CS011 ECU · petrol

SEAT LEON MG1CS011 tuning files

Here is what the catalog holds for the SEAT LEON on the MG1CS011. Across the matched variants stock power runs from 130 to 150 HP. There are 17 distinct variants on file for this combination. 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.

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Available solutions

What we can run on the MG1CS011 for this petrol — the precise options narrow down by engine and software version.

Stage 1 Stage 2 Swirl Flaps OffLambda / O2OPF/GPF Off

Engine variants & ECU software

17 distinct variants for the SEAT LEON on the MG1CS011 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 1500 150HP
Engine code: J623
Generation: 04/2020-
Matched gains engine: 1.5 e-TSI 150
Controller brand: BOSCH
ECU: MG1CS011
Stock power: 150 HP
Stage 1 power: 175 HP
Power increase: +25 HP (+17%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: 05E906012H_0956
Calibration: 05E906012H_0956

Variant 2

ECU

Catalog engine: 1500 150HP
Generation: 04/2020-
Matched gains engine: 1.5 e-TSI 150
Controller brand: BOSCH
ECU: MG1CS011
Stock power: 150 HP
Stage 1 power: 175 HP
Power increase: +25 HP (+17%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: 05E906012AN_1662
Calibration: 05E906012AN_1662

Variant 3

ECU

Catalog engine: 1500 150HP
Engine code: J623
Generation: 04/2020-
Matched gains engine: 1.5 e-TSI 150
Controller brand: BOSCH
ECU: MG1CS011
Stock power: 150 HP
Stage 1 power: 175 HP
Power increase: +25 HP (+17%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
ECU SW: 10SW050670
SW upgrade: 05E906012F_1042
Calibration: 05E906012F_1042

Variant 4

ECU

Catalog engine: 1500 150HP
Engine code: J623
Generation: 04/2020-
Matched gains engine: 1.5 e-TSI 150
Controller brand: BOSCH
ECU: MG1CS011
Stock power: 150 HP
Stage 1 power: 175 HP
Power increase: +25 HP (+17%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
ECU SW: 10SW050670
SW upgrade: 05E906012N_0958
Calibration: 05E906012N_0958

Variant 5

ECU

Catalog engine: 1500 150HP
Engine code: 05E906018AR_9641
Generation: 04/2020-
Matched gains engine: 1.5 e-TSI 150
Controller brand: BOSCH
ECU: MG1CS011
Stock power: 150 HP
Stage 1 power: 175 HP
Power increase: +25 HP (+17%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: 05E906018AR_9641
Calibration: 05E906018AR_9641

Variant 6

ECU

Catalog engine: 1500 150HP
Engine code: J623
Generation: 04/2020-
Matched gains engine: 1.5 e-TSI 150
Controller brand: BOSCH
ECU: MG1CS011
Stock power: 150 HP
Stage 1 power: 175 HP
Power increase: +25 HP (+17%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
ECU SW: 10SW050670
SW upgrade: 05E906012H_0956
Calibration: 05E906012H_0956

Variant 7

ECU

Catalog engine: 1500 150HP
Engine code: 05E906012B_9974
Generation: 04/2020-
Matched gains engine: 1.5 e-TSI 150
Controller brand: BOSCH
ECU: MG1CS011
Stock power: 150 HP
Stage 1 power: 175 HP
Power increase: +25 HP (+17%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: 05E906012B_9974
Calibration: 05E906012B_9974

Variant 8

ECU

Catalog engine: 1500 150HP
Engine code: J623
Generation: 04/2020-
Matched gains engine: 1.5 e-TSI 150
Controller brand: BOSCH
ECU: MG1CS011
Stock power: 150 HP
Stage 1 power: 175 HP
Power increase: +25 HP (+17%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: 05E906012B_9973
Calibration: 05E906012B_9973

Variant 9

ECU

Catalog engine: 1500 150HP
Engine code: 05E906012B_9976
Generation: 04/2020-
Matched gains engine: 1.5 e-TSI 150
Controller brand: BOSCH
ECU: MG1CS011
Stock power: 150 HP
Stage 1 power: 175 HP
Power increase: +25 HP (+17%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: 05E906012B_9976
Calibration: 05E906012B_9976

Variant 10

ECU

Catalog engine: 1500 150HP
Engine code: J623
Generation: 04/2020-
Matched gains engine: 1.5 e-TSI 150
Controller brand: BOSCH
ECU: MG1CS011
Stock power: 150 HP
Stage 1 power: 175 HP
Power increase: +25 HP (+17%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
ECU SW: 10SW050670
SW upgrade: 05E906012B_9971
Calibration: 05E906012B_9971

Variant 11

ECU

Catalog engine: 1500 150HP
Engine code: J623
Generation: 04/2020-
Matched gains engine: 1.5 e-TSI 150
Controller brand: BOSCH
ECU: MG1CS011
Stock power: 150 HP
Stage 1 power: 175 HP
Power increase: +25 HP (+17%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
ECU SW: 1318
ECU HW: 05E906012J
SW upgrade: 05E906012J_1318
Calibration: 05E906012J_1318

Variant 12

ECU

Catalog engine: 1500 150HP
Engine code: J623
Generation: 04/2020-
Matched gains engine: 1.5 e-TSI 150
Controller brand: BOSCH
ECU: MG1CS011
Stock power: 150 HP
Stage 1 power: 175 HP
Power increase: +25 HP (+17%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
ECU SW: 10SW050670
SW upgrade: 05E906012B_9970
Calibration: 05E906012B_9970

Variant 13

ECU

Catalog engine: 1500 150HP
Engine code: J623
Generation: 04/2020-
Matched gains engine: 1.5 e-TSI 150
Controller brand: BOSCH
ECU: MG1CS011
Stock power: 150 HP
Stage 1 power: 175 HP
Power increase: +25 HP (+17%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
ECU SW: 10SW050670
SW upgrade: 05E906012C_0497
Calibration: 05E906012C_0497

Variant 14

ECU

Catalog engine: 1500 150HP
Engine code: J623
Generation: 04/2020-
Matched gains engine: 1.5 e-TSI 150
Controller brand: BOSCH
ECU: MG1CS011
Stock power: 150 HP
Stage 1 power: 175 HP
Power increase: +25 HP (+17%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: 05E906012P_0957
Calibration: 05E906012P_0957

Variant 15

ECU

Catalog engine: 1500 150HP
Engine code: J623
Generation: 04/2020-
Matched gains engine: 1.5 e-TSI 150
Controller brand: BOSCH
ECU: MG1CS011
Stock power: 150 HP
Stage 1 power: 175 HP
Power increase: +25 HP (+17%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: 05E906012AJ_1418
Calibration: 05E906012AJ_1418

Variant 16

ECU

Catalog engine: 1500 135HP
Engine code: J623
Controller brand: BOSCH
ECU: MG1CS011
Stock power: 135 HP
SW upgrade: 05E906018CM_0172
Calibration: 05E906018CM_0172

Variant 17

ECU

Catalog engine: 1500 130HP
Engine code: J623
Generation: 04/2020-
Matched gains engine: 1.5 e-TSI 130
Controller brand: BOSCH
ECU: MG1CS011
Stock power: 130 HP
Stage 1 power: 160 HP
Power increase: +30 HP (+23%)
Stock torque: 200 Nm
Stage 1 torque: 280 Nm
Torque increase: +80 Nm (+40%)
SW upgrade: 05E906018CM_0172
Calibration: 05E906018CM_0172

Related vehicles

Other vehicles built on the MG1CS011 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the SEAT LEON on the MG1CS011?

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 MG1CS011 ECU software on this model?

Yes — the SEAT LEON on the MG1CS011 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.