BMW · MG1CS003 DME_860 ECU · petrol

BMW 5 SERIES MG1CS003 DME_860 tuning files

BMW 5 SERIES on the MG1CS003 DME_860: matched, calibrated and delivered with care. Stock output across the matched variants spans 184–340 HP. 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 5 SERIES coverage

Available solutions

Applicable work for the MG1CS003 DME_860 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

12 distinct variants for the BMW 5 SERIES on the MG1CS003 DME_860 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 3000 340HP
Controller brand: BOSCH
ECU: MG1CS003 DME_860
Stock power: 340 HP
ECU SW: 00003081501D07
ECU HW: 00003080000120
SW upgrade: 00006486501D3A
Calibration: 00003080000120_00003081501D07_00006486501D3A

Variant 2

ECU

Catalog engine: 2000 252HP
Controller brand: BOSCH
ECU: MG1CS003 DME_860
Stock power: 252 HP
ECU SW: 00003081320503
ECU HW: 00003080000120
SW upgrade: 00003448320506
Calibration: 00003080000120_00003081320503_00003448320506

Variant 3

ECU

Catalog engine: 2000 252HP
Engine code: B48HB20M0
Controller brand: BOSCH
ECU: MG1CS003 DME_860
Stock power: 252 HP
ECU SW: 00003081320503
ECU HW: 00003080000120
SW upgrade: 00003430320507
Calibration: 00003080000120_00003081320503_00003430320507

Variant 4

ECU

Catalog engine: 2000 252HP
Engine code: G
Controller brand: BOSCH
ECU: MG1CS003 DME_860
Stock power: 252 HP
ECU SW: 00003081320503
ECU HW: 00003080000120
SW upgrade: 00003442320506
Calibration: 00003080000120_00003081320503_00003442320506

Variant 5

ECU

Catalog engine: 2000 252HP
Controller brand: BOSCH
ECU: MG1CS003 DME_860
Stock power: 252 HP
ECU SW: 00003081320503
ECU HW: 00003080000120
SW upgrade: 00003440320506
Calibration: 00003080000120_00003081320503_00003440320506

Variant 6

ECU

Catalog engine: 2000 252HP
Controller brand: BOSCH
ECU: MG1CS003 DME_860
Stock power: 252 HP
ECU SW: 00003081320503
ECU HW: 00003080000120
SW upgrade: 00003446320506
Calibration: 00003080000120_00003081320503_00003446320506

Variant 7

ECU

Catalog engine: 2000 250HP
Controller brand: BOSCH
ECU: MG1CS003 DME_860
Stock power: 250 HP
ECU SW: 00003081460504
ECU HW: 00003080000120
SW upgrade: 000043FE46050A
Calibration: 00003080000120_00003081460504_000043FE46050A

Variant 8

ECU

Catalog engine: 2000 250HP
Controller brand: BOSCH
ECU: MG1CS003 DME_860
Stock power: 250 HP
ECU SW: 00003081460504
ECU HW: 00003080000120
SW upgrade: 0000344646050A
Calibration: 00003080000120_00003081460504_0000344646050A

Variant 9

ECU

Catalog engine: 2000 250HP
Controller brand: BOSCH
ECU: MG1CS003 DME_860
Stock power: 250 HP
ECU SW: 00003081460504
ECU HW: 00003080000120
SW upgrade: 0000344246050A
Calibration: 00003080000120_00003081460504_0000344246050A

Variant 10

ECU

Catalog engine: 2000 250HP
Controller brand: BOSCH
ECU: MG1CS003 DME_860
Stock power: 250 HP
ECU SW: 00003081460504
ECU HW: 00003080000120
SW upgrade: 000043F846050A
Calibration: 00003080000120_00003081460504_000043F846050A

Variant 11

ECU

Catalog engine: 2000 245HP
Engine code: B48B20A
Controller brand: BOSCH
ECU: MG1CS003 DME_860
Stock power: 245 HP

Variant 12

ECU

Catalog engine: 2000 184HP
Engine code: B58B30M0
Controller brand: BOSCH
ECU: MG1CS003 DME_860
Stock power: 184 HP
ECU SW: FFFFFFFFFFFFFF
ECU HW: FFFFFFFFFFFFFF
SW upgrade: 00003448501501
Calibration: FFFFFFFFFFFFFF_FFFFFFFFFFFFFF_00003448501501

Related vehicles

Other vehicles built on the MG1CS003 DME_860 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the BMW 5 SERIES on the MG1CS003 DME_860?

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_860 ECU software on this model?

Yes — the BMW 5 SERIES on the MG1CS003 DME_860 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.