BMW · MG1CS003 DME_40H ECU · petrol

BMW 3 SERIES MG1CS003 DME_40H tuning files

Here is what the catalog holds for the BMW 3 SERIES on the MG1CS003 DME_40H. The matched variants sit between 184 and 184 HP from the factory. There are 20 distinct variants on file for this combination. Petrol calibration here is about crisp response and a result that holds up day to day. Every file is matched to the exact calibration on your vehicle and signed off by an operator.

Upload your file →All 3 SERIES coverage

Available solutions

What we can run on the MG1CS003 DME_40H 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

20 distinct variants for the BMW 3 SERIES on the MG1CS003 DME_40H ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 2000 184HP
Engine code: B48B20A
Controller brand: BOSCH
ECU: MG1CS003 DME_40H
Stock power: 184 HP
ECU SW: 00003081501D02
ECU HW: 00003080000120
SW upgrade: 0000343A501D0B
Calibration: 00003080000120_00003081501D02_0000343A501D0B

Variant 2

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_40H
Stock power: 184 HP
ECU SW: 00003081501D05
ECU HW: 00003080000120
SW upgrade: 000075AA501D73
Calibration: 00003080000120_00003081501D05_000075AA501D73

Variant 3

ECU

Catalog engine: 2000 184HP
Engine code: B48B20A
Controller brand: BOSCH
ECU: MG1CS003 DME_40H
Stock power: 184 HP
ECU SW: 00003081501D05
ECU HW: 00003080000120
SW upgrade: 000034BE501D73
Calibration: 00003080000120_00003081501D05_000034BE501D73

Variant 4

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_40H
Stock power: 184 HP
ECU SW: 00003081501D02
ECU HW: 00003080000120
SW upgrade: 000034BE501D0B
Calibration: 00003080000120_00003081501D02_000034BE501D0B

Variant 5

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_40H
Stock power: 184 HP
ECU SW: 00003081501D02
ECU HW: 00003080000120
SW upgrade: 000075AE501D72
Calibration: 00003080000120_00003081501D02_000075AE501D72

Variant 6

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_40H
Stock power: 184 HP
ECU SW: 00003081501D07
ECU HW: 00003080000120
SW upgrade: 000075AE501D75
Calibration: 00003080000120_00003081501D07_000075AE501D75

Variant 7

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_40H
Stock power: 184 HP
ECU SW: 00003081501D07
ECU HW: 00003080000120
SW upgrade: 00003DB9501D75
Calibration: 00003080000120_00003081501D07_00003DB9501D75

Variant 8

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_40H
Stock power: 184 HP
ECU SW: 00003081501D02
ECU HW: 00003080000120
SW upgrade: 00004950501D07
Calibration: 00003080000120_00003081501D02_00004950501D07

Variant 9

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_40H
Stock power: 184 HP
ECU SW: 00003081501D02
ECU HW: 00003080000120
SW upgrade: 00004950501D0A
Calibration: 00003080000120_00003081501D02_00004950501D0A

Variant 10

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_40H
Stock power: 184 HP
ECU SW: 00003081501D02
ECU HW: 00003080000120
SW upgrade: 000034BE501D0D
Calibration: 00003080000120_00003081501D02_000034BE501D0D

Variant 11

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_40H
Stock power: 184 HP
ECU SW: 00003081501D02
ECU HW: 00003080000120
SW upgrade: 00006897501D6C
Calibration: 00003080000120_00003081501D02_00006897501D6C

Variant 12

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_40H
Stock power: 184 HP
ECU SW: 00003081501D07
ECU HW: 00003080000120
SW upgrade: 000034BE501D74
Calibration: 00003080000120_00003081501D07_000034BE501D74

Variant 13

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_40H
Stock power: 184 HP
ECU SW: 00003081501D02
ECU HW: 00003080000120
SW upgrade: 000075AE501D6A
Calibration: 00003080000120_00003081501D02_000075AE501D6A

Variant 14

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_40H
Stock power: 184 HP
ECU SW: 00003081501D02
ECU HW: 00003080000120
SW upgrade: 00003DB9501D09
Calibration: 00003080000120_00003081501D02_00003DB9501D09

Variant 15

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_40H
Stock power: 184 HP
ECU SW: 00003081501D05
ECU HW: 00003080000120
SW upgrade: 00003DB9501D73
Calibration: 00003080000120_00003081501D05_00003DB9501D73

Variant 16

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_40H
Stock power: 184 HP
ECU SW: 00003081501D05
ECU HW: 00003080000120
SW upgrade: 00006897501D73
Calibration: 00003080000120_00003081501D05_00006897501D73

Variant 17

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_40H
Stock power: 184 HP
ECU SW: 00003081501D07
ECU HW: 00003080000120
SW upgrade: 0000343A501D15
Calibration: 00003080000120_00003081501D07_0000343A501D15

Variant 18

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_40H
Stock power: 184 HP
ECU SW: 00003081501D07
ECU HW: 00003080000120
SW upgrade: 000034C0501D75
Calibration: 00003080000120_00003081501D07_000034C0501D75

Variant 19

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_40H
Stock power: 184 HP
ECU SW: 00003081501D07
ECU HW: 00003080000120
SW upgrade: 00003DB9501D74
Calibration: 00003080000120_00003081501D07_00003DB9501D74

Variant 20

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_40H
Stock power: 184 HP
ECU SW: 00003081501D02
ECU HW: 00003080000120
SW upgrade: 000034BE501D09
Calibration: 00003080000120_00003081501D02_000034BE501D09

Related vehicles

Other vehicles built on the MG1CS003 DME_40H 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_40H?

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_40H ECU software on this model?

Yes — the BMW 3 SERIES on the MG1CS003 DME_40H 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.