BMW · MG1CS003 DME_861 ECU · petrol

BMW 4 SERIES MG1CS003 DME_861 tuning files

The BMW 4 SERIES on the MG1CS003 DME_861, mapped from stock file to finished result. Across the matched variants stock power runs from 184 to 400 HP. 34 distinct variants are catalogued here. 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 4 SERIES coverage

Available solutions

Solutions that apply to the MG1CS003 DME_861 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

34 distinct variants for the BMW 4 SERIES on the MG1CS003 DME_861 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 00004831501103
Calibration: 00003075000120_00003076501103_00004831501103

Variant 2

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501203
ECU HW: 00003075000120
SW upgrade: 0000347C501201
Calibration: 00003075000120_00003076501203_0000347C501201

Variant 3

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 00003482501106
Calibration: 00003075000120_00003076501103_00003482501106

Variant 4

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 00003480501104
Calibration: 00003075000120_00003076501103_00003480501104

Variant 5

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 00004977501104
Calibration: 00003075000120_00003076501103_00004977501104

Variant 6

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501203
ECU HW: 00003075000120
SW upgrade: 0000366F501201
Calibration: 00003075000120_00003076501203_0000366F501201

Variant 7

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 00004562501104
Calibration: 00003075000120_00003076501103_00004562501104

Variant 8

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 0000455C501104
Calibration: 00003075000120_00003076501103_0000455C501104

Variant 9

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 0000455C501106
Calibration: 00003075000120_00003076501103_0000455C501106

Variant 10

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 00003675501106
Calibration: 00003075000120_00003076501103_00003675501106

Variant 11

ECU

Catalog engine: 3000 400HP
Engine code: B48B20A
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 0000347E501105
Calibration: 00003075000120_00003076501103_0000347E501105

Variant 12

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 000043D650110A
Calibration: 00003075000120_00003076501103_000043D650110A

Variant 13

ECU

Catalog engine: 3000 400HP
Engine code: B48B20A
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 0000366F501103
Calibration: 00003075000120_00003076501103_0000366F501103

Variant 14

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 00003484501104
Calibration: 00003075000120_00003076501103_00003484501104

Variant 15

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501203
ECU HW: 00003075000120
SW upgrade: 00004558501201
Calibration: 00003075000120_00003076501203_00004558501201

Variant 16

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 0000348050110C
Calibration: 00003075000120_00003076501103_0000348050110C

Variant 17

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501203
ECU HW: 00003075000120
SW upgrade: 00003480501201
Calibration: 00003075000120_00003076501203_00003480501201

Variant 18

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 00003D3850110C
Calibration: 00003075000120_00003076501103_00003D3850110C

Variant 19

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501203
ECU HW: 00003075000120
SW upgrade: 0000455C501201
Calibration: 00003075000120_00003076501203_0000455C501201

Variant 20

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 00003D3E501104
Calibration: 00003075000120_00003076501103_00003D3E501104

Variant 21

ECU

Catalog engine: 3000 400HP
Engine code: B48B20A
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 00003D3A50110C
Calibration: 00003075000120_00003076501103_00003D3A50110C

Variant 22

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501102
ECU HW: 00003075000120
SW upgrade: 0000347E501101
Calibration: 00003075000120_00003076501102_0000347E501101

Variant 23

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 000043D650110C
Calibration: 00003075000120_00003076501103_000043D650110C

Variant 24

ECU

Catalog engine: 3000 400HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 400 HP
ECU SW: 00003076501103
ECU HW: 00003075000120
SW upgrade: 0000367550110C
Calibration: 00003075000120_00003076501103_0000367550110C

Variant 25

ECU

Catalog engine: 3000 326HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 326 HP
ECU SW: 000030761E0509
ECU HW: 0000307500011E
SW upgrade: 000043DA1E050E
Calibration: 0000307500011E_000030761E0509_000043DA1E050E

Variant 26

ECU

Catalog engine: 3000 322HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 322 HP

Variant 27

ECU

Catalog engine: 3000 322HP
Engine code: B58B30M0
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 322 HP
ECU SW: 00003076460504
ECU HW: 00003075000120
SW upgrade: 0000455A460505
Calibration: 00003075000120_00003076460504_0000455A460505

Variant 28

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 184 HP
ECU SW: 000030765A1403
ECU HW: 00003075000120
SW upgrade: 000071185A1405
Calibration: 00003075000120_000030765A1403_000071185A1405

Variant 29

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 184 HP
ECU SW: 000030765A1405
ECU HW: 00003075000120
SW upgrade: 000071085A1409
Calibration: 00003075000120_000030765A1405_000071085A1409

Variant 30

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 184 HP
ECU SW: 000030765A1405
ECU HW: 00003075000120
SW upgrade: 000071085A1437
Calibration: 00003075000120_000030765A1405_000071085A1437

Variant 31

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 184 HP
ECU SW: 000030765A1403
ECU HW: 00003075000120
SW upgrade: 0000712A5A1405
Calibration: 00003075000120_000030765A1403_0000712A5A1405

Variant 32

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 184 HP
ECU SW: 000030765A3205
ECU HW: 00003075000A22
SW upgrade: 0000710C5A3206
Calibration: 00003075000A22_000030765A3205_0000710C5A3206

Variant 33

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 184 HP
ECU SW: 000030765A1403
ECU HW: 00003075000120
SW upgrade: 000071085A1405
Calibration: 00003075000120_000030765A1403_000071085A1405

Variant 34

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: MG1CS003 DME_861
Stock power: 184 HP
ECU SW: 000030765A1405
ECU HW: 00003075000120
SW upgrade: 000071275A1437
Calibration: 00003075000120_000030765A1405_000071275A1437

Related vehicles

Other vehicles built on the MG1CS003 DME_861 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the BMW 4 SERIES on the MG1CS003 DME_861?

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_861 ECU software on this model?

Yes — the BMW 4 SERIES on the MG1CS003 DME_861 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.