BMW · MG1CS003 DME_840 ECU · petrol

BMW 7 SERIES MG1CS003 DME_840 tuning files

Tuning file coverage for the BMW 7 SERIES running the MG1CS003 DME_840 ECU. Stock output across the matched variants spans 224–570 HP. It is a petrol platform, tuned for response and clean power delivery. Every file is matched to the exact calibration on your vehicle and signed off by an operator.

Upload your file →All 7 SERIES coverage

Available solutions

Applicable work for the MG1CS003 DME_840 on this petrol. The available set firms up once the exact engine and software are known.

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

Engine variants & ECU software

18 distinct variants for the BMW 7 SERIES on the MG1CS003 DME_840 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 6000 570HP
Controller brand: BOSCH
ECU: MG1CS003 DME_840
Stock power: 570 HP
ECU SW: 000030815A0A02
ECU HW: 00003080000120
SW upgrade: 000049245A0A05
Calibration: 00003080000120_000030815A0A02_000049245A0A05

Variant 2

ECU

Catalog engine: 6000 570HP
Controller brand: BOSCH
ECU: MG1CS003 DME_840
Stock power: 570 HP
ECU SW: 000030815A1404
ECU HW: 00003080000120
SW upgrade: 000049465A1407
Calibration: 00003080000120_000030815A1404_000049465A1407

Variant 3

ECU

Catalog engine: 6000 570HP
Controller brand: BOSCH
ECU: MG1CS003 DME_840
Stock power: 570 HP
ECU SW: 000030815A0A02
ECU HW: 00003080000120
SW upgrade: 0000492A5A0A03
Calibration: 00003080000120_000030815A0A02_0000492A5A0A03

Variant 4

ECU

Catalog engine: 6000 570HP
Controller brand: BOSCH
ECU: MG1CS003 DME_840
Stock power: 570 HP
ECU SW: 000030815A0A03
ECU HW: 00003080000120
SW upgrade: 0000492A5A0A0E
Calibration: 00003080000120_000030815A0A03_0000492A5A0A0E

Variant 5

ECU

Catalog engine: 6000 570HP
Controller brand: BOSCH
ECU: MG1CS003 DME_840
Stock power: 570 HP
ECU SW: 000030815A0A05
ECU HW: 00003080000120
SW upgrade: 0000492A5A0A12
Calibration: 00003080000120_000030815A0A05_0000492A5A0A12

Variant 6

ECU

Catalog engine: 6000 570HP
Controller brand: BOSCH
ECU: MG1CS003 DME_840
Stock power: 570 HP
ECU SW: 000030815A0A02
ECU HW: 00003080000120
SW upgrade: 000049245A0A03
Calibration: 00003080000120_000030815A0A02_000049245A0A03

Variant 7

ECU

Catalog engine: 6000 570HP
Controller brand: BOSCH
ECU: MG1CS003 DME_840
Stock power: 570 HP
ECU SW: 000030815A0A05
ECU HW: 00003080000120
SW upgrade: 000049245A0A10
Calibration: 00003080000120_000030815A0A05_000049245A0A10

Variant 8

ECU

Catalog engine: 6000 570HP
Controller brand: BOSCH
ECU: MG1CS003 DME_840
Stock power: 570 HP
ECU SW: 000030815A0A05
ECU HW: 00003080000120
SW upgrade: 000049285A0A10
Calibration: 00003080000120_000030815A0A05_000049285A0A10

Variant 9

ECU

Catalog engine: 6000 570HP
Controller brand: BOSCH
ECU: MG1CS003 DME_840
Stock power: 570 HP
ECU SW: 000030815A0A02
ECU HW: 00003080000120
SW upgrade: 000049285A0A05
Calibration: 00003080000120_000030815A0A02_000049285A0A05

Variant 10

ECU

Catalog engine: 6000 570HP
Controller brand: BOSCH
ECU: MG1CS003 DME_840
Stock power: 570 HP
ECU SW: 000030815A0A03
ECU HW: 00003080000120
SW upgrade: 000049245A0A0E
Calibration: 00003080000120_000030815A0A03_000049245A0A0E

Variant 11

ECU

Catalog engine: 6000 570HP
Controller brand: BOSCH
ECU: MG1CS003 DME_840
Stock power: 570 HP

Variant 12

ECU

Catalog engine: 6000 570HP
Controller brand: BOSCH
ECU: MG1CS003 DME_840
Stock power: 570 HP
ECU SW: 000030815A0A02
ECU HW: 00003080000120
SW upgrade: 000049265A0A03
Calibration: 00003080000120_000030815A0A02_000049265A0A03

Variant 13

ECU

Catalog engine: 6000 570HP
Engine code: B58B30M0
Controller brand: BOSCH
ECU: MG1CS003 DME_840
Stock power: 570 HP
ECU SW: 000030815A1404
ECU HW: 00003080000120
SW upgrade: 000049465A1408
Calibration: 00003080000120_000030815A1404_000049465A1408

Variant 14

ECU

Catalog engine: 6000 570HP
Controller brand: BOSCH
ECU: MG1CS003 DME_840
Stock power: 570 HP
ECU SW: 000030815A0A02
ECU HW: 00003080000120
SW upgrade: 000049285A0A03
Calibration: 00003080000120_000030815A0A02_000049285A0A03

Variant 15

ECU

Catalog engine: 2000 330HP
Engine code: B48HB20M0
Controller brand: BOSCH
ECU: MG1CS003 DME_840
Stock power: 330 HP

Variant 16

ECU

Catalog engine: 2000 253HP
Engine code: B48B20A
Controller brand: BOSCH
ECU: MG1CS003 DME_840
Stock power: 253 HP
ECU SW: 00003081501502
ECU HW: 00003080000120
SW upgrade: 0000709E5015C9
Calibration: 00003080000120_00003081501502_0000709E5015C9

Variant 17

ECU

Catalog engine: 2000 252HP
Engine code: G
Controller brand: BOSCH
ECU: MG1CS003 DME_840
Stock power: 252 HP
ECU SW: 00003081320503
ECU HW: 00003080000120
SW upgrade: 000043F0320507
Calibration: 00003080000120_00003081320503_000043F0320507

Variant 18

ECU

Catalog engine: 2000 224HP
Controller brand: BOSCH
ECU: MG1CS003 DME_840
Stock power: 224 HP
ECU SW: 000030810A1103
ECU HW: 0000308000011C
SW upgrade: 000034380A1106
Calibration: 0000308000011C_000030810A1103_000034380A1106

Related vehicles

Other vehicles built on the MG1CS003 DME_840 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the BMW 7 SERIES on the MG1CS003 DME_840?

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_840 ECU software on this model?

Yes — the BMW 7 SERIES on the MG1CS003 DME_840 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.