BMW · MG1CS003 DME_841 ECU · petrol

BMW 2 SERIES MG1CS003 DME_841 tuning files

Everything we work with on the BMW 2 SERIES fitted with the MG1CS003 DME_841. Across the matched variants stock power runs from 252 to 340 HP. 19 distinct variants are catalogued here. 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 2 SERIES coverage

Available solutions

Solutions that apply to the MG1CS003 DME_841 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

19 distinct variants for the BMW 2 SERIES on the MG1CS003 DME_841 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 3000 340HP
Engine code: B48B20A
Generation: F2x 2013-
Matched gains engine: M240i 340
Controller brand: BOSCH
ECU: MG1CS003 DME_841
Stock power: 340 HP
Stage 1 power: 400 HP
Power increase: +60 HP (+18%)
Stock torque: 500 Nm
Stage 1 torque: 580 Nm
Torque increase: +80 Nm (+16%)
ECU SW: 00003076501102
ECU HW: 00003075000120
SW upgrade: 00003685501105
Calibration: 00003075000120_00003076501102_00003685501105

Variant 2

ECU

Catalog engine: 3000 340HP
Generation: F2x 2013-
Matched gains engine: M240i 340
Controller brand: BOSCH
ECU: MG1CS003 DME_841
Stock power: 340 HP
Stage 1 power: 400 HP
Power increase: +60 HP (+18%)
Stock torque: 500 Nm
Stage 1 torque: 580 Nm
Torque increase: +80 Nm (+16%)
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 00003689501106
Calibration: 00003075000120_00003076501103_00003689501106

Variant 3

ECU

Catalog engine: 3000 340HP
Generation: F2x 2013-
Matched gains engine: M240i 340
Controller brand: BOSCH
ECU: MG1CS003 DME_841
Stock power: 340 HP
Stage 1 power: 400 HP
Power increase: +60 HP (+18%)
Stock torque: 500 Nm
Stage 1 torque: 580 Nm
Torque increase: +80 Nm (+16%)
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 000043BC501106
Calibration: 00003075000120_00003076501103_000043BC501106

Variant 4

ECU

Catalog engine: 3000 340HP
Generation: F2x 2013-
Matched gains engine: M240i 340
Controller brand: BOSCH
ECU: MG1CS003 DME_841
Stock power: 340 HP
Stage 1 power: 400 HP
Power increase: +60 HP (+18%)
Stock torque: 500 Nm
Stage 1 torque: 580 Nm
Torque increase: +80 Nm (+16%)
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 000043CE501106
Calibration: 00003075000120_00003076501103_000043CE501106

Variant 5

ECU

Catalog engine: 3000 340HP
Generation: F2x 2013-
Matched gains engine: M240i 340
Controller brand: BOSCH
ECU: MG1CS003 DME_841
Stock power: 340 HP
Stage 1 power: 400 HP
Power increase: +60 HP (+18%)
Stock torque: 500 Nm
Stage 1 torque: 580 Nm
Torque increase: +80 Nm (+16%)
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 00007AB3501107
Calibration: 00003075000120_00003076501103_00007AB3501107

Variant 6

ECU

Catalog engine: 3000 340HP
Generation: F2x 2013-
Matched gains engine: M240i 340
Controller brand: BOSCH
ECU: MG1CS003 DME_841
Stock power: 340 HP
Stage 1 power: 400 HP
Power increase: +60 HP (+18%)
Stock torque: 500 Nm
Stage 1 torque: 580 Nm
Torque increase: +80 Nm (+16%)
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 0000455450110F
Calibration: 00003075000120_00003076501103_0000455450110F

Variant 7

ECU

Catalog engine: 3000 340HP
Generation: F2x 2013-
Matched gains engine: M240i 340
Controller brand: BOSCH
ECU: MG1CS003 DME_841
Stock power: 340 HP
Stage 1 power: 400 HP
Power increase: +60 HP (+18%)
Stock torque: 500 Nm
Stage 1 torque: 580 Nm
Torque increase: +80 Nm (+16%)
ECU SW: 00003076501203
ECU HW: 00003075000120
SW upgrade: 00004556501201
Calibration: 00003075000120_00003076501203_00004556501201

Variant 8

ECU

Catalog engine: 3000 340HP
Engine code: B48B20A
Generation: F2x 2013-
Matched gains engine: M240i 340
Controller brand: BOSCH
ECU: MG1CS003 DME_841
Stock power: 340 HP
Stage 1 power: 400 HP
Power increase: +60 HP (+18%)
Stock torque: 500 Nm
Stage 1 torque: 580 Nm
Torque increase: +80 Nm (+16%)
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 000043BC501108
Calibration: 00003075000120_00003076501103_000043BC501108

Variant 9

ECU

Catalog engine: 3000 340HP
Generation: F2x 2013-
Matched gains engine: M240i 340
Controller brand: BOSCH
ECU: MG1CS003 DME_841
Stock power: 340 HP
Stage 1 power: 400 HP
Power increase: +60 HP (+18%)
Stock torque: 500 Nm
Stage 1 torque: 580 Nm
Torque increase: +80 Nm (+16%)
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 0000349050110F
Calibration: 00003075000120_00003076501103_0000349050110F

Variant 10

ECU

Catalog engine: 3000 340HP
Generation: F2x 2013-
Matched gains engine: M240i 340
Controller brand: BOSCH
ECU: MG1CS003 DME_841
Stock power: 340 HP
Stage 1 power: 400 HP
Power increase: +60 HP (+18%)
Stock torque: 500 Nm
Stage 1 torque: 580 Nm
Torque increase: +80 Nm (+16%)
ECU SW: 00003076501102
ECU HW: 00003075000120
SW upgrade: 00003498501105
Calibration: 00003075000120_00003076501102_00003498501105

Variant 11

ECU

Catalog engine: 3000 340HP
Engine code: B48B20A
Generation: F2x 2013-
Matched gains engine: M240i 340
Controller brand: BOSCH
ECU: MG1CS003 DME_841
Stock power: 340 HP
Stage 1 power: 400 HP
Power increase: +60 HP (+18%)
Stock torque: 500 Nm
Stage 1 torque: 580 Nm
Torque increase: +80 Nm (+16%)
ECU SW: 00003076501102
ECU HW: 00003075000120
SW upgrade: 000043CE501105
Calibration: 00003075000120_00003076501102_000043CE501105

Variant 12

ECU

Catalog engine: 3000 340HP
Generation: F2x 2013-
Matched gains engine: M240i 340
Controller brand: BOSCH
ECU: MG1CS003 DME_841
Stock power: 340 HP
Stage 1 power: 400 HP
Power increase: +60 HP (+18%)
Stock torque: 500 Nm
Stage 1 torque: 580 Nm
Torque increase: +80 Nm (+16%)
ECU SW: 00003076501102
ECU HW: 00003075000120
SW upgrade: 00004381501105
Calibration: 00003075000120_00003076501102_00004381501105

Variant 13

ECU

Catalog engine: 3000 340HP
Generation: F2x 2013-
Matched gains engine: M240i 340
Controller brand: BOSCH
ECU: MG1CS003 DME_841
Stock power: 340 HP
Stage 1 power: 400 HP
Power increase: +60 HP (+18%)
Stock torque: 500 Nm
Stage 1 torque: 580 Nm
Torque increase: +80 Nm (+16%)
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 0000349850110D
Calibration: 00003075000120_00003076501103_0000349850110D

Variant 14

ECU

Catalog engine: 3000 340HP
Engine code: B48B20A
Generation: F2x 2013-
Matched gains engine: M240i 340
Controller brand: BOSCH
ECU: MG1CS003 DME_841
Stock power: 340 HP
Stage 1 power: 400 HP
Power increase: +60 HP (+18%)
Stock torque: 500 Nm
Stage 1 torque: 580 Nm
Torque increase: +80 Nm (+16%)
ECU SW: 00003076501102
ECU HW: 00003075000120
SW upgrade: 0000454C501105
Calibration: 00003075000120_00003076501102_0000454C501105

Variant 15

ECU

Catalog engine: 3000 340HP
Generation: F2x 2013-
Matched gains engine: M240i 340
Controller brand: BOSCH
ECU: MG1CS003 DME_841
Stock power: 340 HP
Stage 1 power: 400 HP
Power increase: +60 HP (+18%)
Stock torque: 500 Nm
Stage 1 torque: 580 Nm
Torque increase: +80 Nm (+16%)
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 000043BA501106
Calibration: 00003075000120_00003076501103_000043BA501106

Variant 16

ECU

Catalog engine: 3000 340HP
Generation: F2x 2013-
Matched gains engine: M240i 340
Controller brand: BOSCH
ECU: MG1CS003 DME_841
Stock power: 340 HP
Stage 1 power: 400 HP
Power increase: +60 HP (+18%)
Stock torque: 500 Nm
Stage 1 torque: 580 Nm
Torque increase: +80 Nm (+16%)
ECU SW: 00003076501102
ECU HW: 00003075000120
SW upgrade: 00004932501105
Calibration: 00003075000120_00003076501102_00004932501105

Variant 17

ECU

Catalog engine: 3000 340HP
Generation: F2x 2013-
Matched gains engine: M240i 340
Controller brand: BOSCH
ECU: MG1CS003 DME_841
Stock power: 340 HP
Stage 1 power: 400 HP
Power increase: +60 HP (+18%)
Stock torque: 500 Nm
Stage 1 torque: 580 Nm
Torque increase: +80 Nm (+16%)
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 00003D8150110F
Calibration: 00003075000120_00003076501103_00003D8150110F

Variant 18

ECU

Catalog engine: 3000 340HP
Generation: F2x 2013-
Matched gains engine: M240i 340
Controller brand: BOSCH
ECU: MG1CS003 DME_841
Stock power: 340 HP
Stage 1 power: 400 HP
Power increase: +60 HP (+18%)
Stock torque: 500 Nm
Stage 1 torque: 580 Nm
Torque increase: +80 Nm (+16%)
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 00003498501106
Calibration: 00003075000120_00003076501103_00003498501106

Variant 19

ECU

Catalog engine: 2000 252HP
Generation: F2x 2013-
Matched gains engine: 230i 252
Controller brand: BOSCH
ECU: MG1CS003 DME_841
Stock power: 252 HP
Stage 1 power: 310 HP
Power increase: +58 HP (+23%)
Stock torque: 350 Nm
Stage 1 torque: 470 Nm
Torque increase: +120 Nm (+34%)
ECU SW: 00003076501D02
ECU HW: 00003075000120
SW upgrade: 00006C70501D05
Calibration: 00003075000120_00003076501D02_00006C70501D05

Related vehicles

Other vehicles built on the MG1CS003 DME_841 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the BMW 2 SERIES on the MG1CS003 DME_841?

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 MG1CS003 DME_841 ECU software on this model?

Yes — the BMW 2 SERIES on the MG1CS003 DME_841 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.