BMW · MG1CS003 DME_41H ECU · petrol

BMW 3 SERIES MG1CS003 DME_41H tuning files

The BMW 3 SERIES on the MG1CS003 DME_41H, mapped from stock file to finished result. The matched variants sit between 184 and 275 HP from the factory. There are 16 distinct variants on file for this combination. Petrol calibration here is about crisp response and a result that holds up day to day. Your file is built against the exact ECU software on the car, then operator-verified.

Upload your file →All 3 SERIES coverage

Available solutions

Solutions that apply to the MG1CS003 DME_41H 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

16 distinct variants for the BMW 3 SERIES on the MG1CS003 DME_41H ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 2000 275HP
Controller brand: BOSCH
ECU: MG1CS003 DME_41H
Stock power: 275 HP
ECU SW: 00003076320602
ECU HW: 00003075000120
SW upgrade: 00003486320601
Calibration: 00003075000120_00003076320602_00003486320601

Variant 2

ECU

Catalog engine: 2000 275HP
Controller brand: BOSCH
ECU: MG1CS003 DME_41H
Stock power: 275 HP
ECU SW: 00003076320602
ECU HW: 00003075000120
SW upgrade: 00003755320601
Calibration: 00003075000120_00003076320602_00003755320601

Variant 3

ECU

Catalog engine: 2000 275HP
Controller brand: BOSCH
ECU: MG1CS003 DME_41H
Stock power: 275 HP
ECU SW: 00003076320602
ECU HW: 00003075000120
SW upgrade: 00003486320602
Calibration: 00003075000120_00003076320602_00003486320602

Variant 4

ECU

Catalog engine: 2000 275HP
Controller brand: BOSCH
ECU: MG1CS003 DME_41H
Stock power: 275 HP
ECU SW: 00003076320603
ECU HW: 00003075000120
SW upgrade: 00003755320609
Calibration: 00003075000120_00003076320603_00003755320609

Variant 5

ECU

Catalog engine: 2000 275HP
Controller brand: BOSCH
ECU: MG1CS003 DME_41H
Stock power: 275 HP
ECU SW: 00003076320602
ECU HW: 00003075000120
SW upgrade: 00003486320607
Calibration: 00003075000120_00003076320602_00003486320607

Variant 6

ECU

Catalog engine: 2000 275HP
Controller brand: BOSCH
ECU: MG1CS003 DME_41H
Stock power: 275 HP
ECU SW: 00003076320603
ECU HW: 00003075000120
SW upgrade: 00003486320608
Calibration: 00003075000120_00003076320603_00003486320608

Variant 7

ECU

Catalog engine: 2000 275HP
Engine code: B48B20A
Controller brand: BOSCH
ECU: MG1CS003 DME_41H
Stock power: 275 HP
ECU SW: 00003076320602
ECU HW: 00003075000120
SW upgrade: 00003755320607
Calibration: 00003075000120_00003076320602_00003755320607

Variant 8

ECU

Catalog engine: 2000 275HP
Controller brand: BOSCH
ECU: MG1CS003 DME_41H
Stock power: 275 HP
ECU SW: 00003076320602
ECU HW: 00003075000120
SW upgrade: 00003755320605
Calibration: 00003075000120_00003076320602_00003755320605

Variant 9

ECU

Catalog engine: 2000 275HP
Controller brand: BOSCH
ECU: MG1CS003 DME_41H
Stock power: 275 HP
ECU SW: 00003076320602
ECU HW: 00003075000120
SW upgrade: 00003755320604
Calibration: 00003075000120_00003076320602_00003755320604

Variant 10

ECU

Catalog engine: 2000 275HP
Controller brand: BOSCH
ECU: MG1CS003 DME_41H
Stock power: 275 HP
ECU SW: 00003076320602
ECU HW: 00003075000120
SW upgrade: 00003486320604
Calibration: 00003075000120_00003076320602_00003486320604

Variant 11

ECU

Catalog engine: 2000 275HP
Controller brand: BOSCH
ECU: MG1CS003 DME_41H
Stock power: 275 HP
ECU SW: 00003076320603
ECU HW: 00003075000120
SW upgrade: 00003486320609
Calibration: 00003075000120_00003076320603_00003486320609

Variant 12

ECU

Catalog engine: 2000 275HP
Engine code: B48B20A
Controller brand: BOSCH
ECU: MG1CS003 DME_41H
Stock power: 275 HP
ECU SW: 00003076320602
ECU HW: 00003075000120
SW upgrade: 0000348A320602
Calibration: 00003075000120_00003076320602_0000348A320602

Variant 13

ECU

Catalog engine: 2000 275HP
Controller brand: BOSCH
ECU: MG1CS003 DME_41H
Stock power: 275 HP
ECU SW: 00003076320602
ECU HW: 00003075000120
SW upgrade: 00003755320602
Calibration: 00003075000120_00003076320602_00003755320602

Variant 14

ECU

Catalog engine: 2000 275HP
Controller brand: BOSCH
ECU: MG1CS003 DME_41H
Stock power: 275 HP
ECU SW: 00003076320602
ECU HW: 00003075000120
SW upgrade: 00003486320605
Calibration: 00003075000120_00003076320602_00003486320605

Variant 15

ECU

Catalog engine: 2000 275HP
Controller brand: BOSCH
ECU: MG1CS003 DME_41H
Stock power: 275 HP
ECU SW: 00003076320603
ECU HW: 00003075000120
SW upgrade: 00003755320608
Calibration: 00003075000120_00003076320603_00003755320608

Variant 16

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_41H
Stock power: 184 HP
ECU SW: 00003076320503
ECU HW: 00003075000120
SW upgrade: 00003755320508
Calibration: 00003075000120_00003076320503_00003755320508

Related vehicles

Other vehicles built on the MG1CS003 DME_41H controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the BMW 3 SERIES on the MG1CS003 DME_41H?

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_41H ECU software on this model?

Yes — the BMW 3 SERIES on the MG1CS003 DME_41H 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.