BMW · MSD85.3 ECU · petrol

BMW 6 SERIES MSD85.3 tuning files

Here is what the catalog holds for the BMW 6 SERIES on the MSD85.3. Stock output across the matched variants spans 408–408 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 6 SERIES coverage

Available solutions

Solutions that apply to the MSD85.3 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

23 distinct variants for the BMW 6 SERIES on the MSD85.3 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 4400 408HP
Engine code: N63B44
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IE80S0G8X5
Calibration: 0047920IE80S0G8X5

Variant 2

ECU

Catalog engine: 4400 408HP
Engine code: N63B44
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IL20SIF9X6
Calibration: 0047920IL20SIF9X6

Variant 3

ECU

Catalog engine: 4400 408HP
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IL20SI5RX2
Calibration: 0047920IL20SI5RX2

Variant 4

ECU

Catalog engine: 4400 408HP
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IL20SIA9X2
Calibration: 0047920IL20SIA9X2

Variant 5

ECU

Catalog engine: 4400 408HP
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP

Variant 6

ECU

Catalog engine: 4400 408HP
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IL20SIC8X2
Calibration: 0047920IL20SIC8X2

Variant 7

ECU

Catalog engine: 4400 408HP
Engine code: N63B44
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920ID30S0G9X3
Calibration: 0047920ID30S0G9X3

Variant 8

ECU

Catalog engine: 4400 408HP
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IL20SIC2X6
Calibration: 0047920IL20SIC2X6

Variant 9

ECU

Catalog engine: 4400 408HP
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IL20SID2X2
Calibration: 0047920IL20SID2X2

Variant 10

ECU

Catalog engine: 4400 408HP
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IL20SIDHX2
Calibration: 0047920IL20SIDHX2

Variant 11

ECU

Catalog engine: 4400 408HP
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IL20SIG2X3
Calibration: 0047920IL20SIG2X3

Variant 12

ECU

Catalog engine: 4400 408HP
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IL20SIP2X2
Calibration: 0047920IL20SIP2X2

Variant 13

ECU

Catalog engine: 4400 408HP
Engine code: N63B44
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IL20SIA2X6
Calibration: 0047920IL20SIA2X6

Variant 14

ECU

Catalog engine: 4400 408HP
Engine code: N63B44
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IL20SIG8X6
Calibration: 0047920IL20SIG8X6

Variant 15

ECU

Catalog engine: 4400 408HP
Engine code: N63B44
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IL20SII9X2
Calibration: 0047920IL20SII9X2

Variant 16

ECU

Catalog engine: 4400 408HP
Engine code: N63B44
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IL20SI1RX3
Calibration: 0047920IL20SI1RX3

Variant 17

ECU

Catalog engine: 4400 408HP
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IL20SIZ2X6
Calibration: 0047920IL20SIZ2X6

Variant 18

ECU

Catalog engine: 4400 408HP
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IL20SID8X2
Calibration: 0047920IL20SID8X2

Variant 19

ECU

Catalog engine: 4400 408HP
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IL20SI3RX3
Calibration: 0047920IL20SI3RX3

Variant 20

ECU

Catalog engine: 4400 408HP
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IL20SIE8X6
Calibration: 0047920IL20SIE8X6

Variant 21

ECU

Catalog engine: 4400 408HP
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IL20SIG8X3
Calibration: 0047920IL20SIG8X3

Variant 22

ECU

Catalog engine: 4400 408HP
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IL20SIG2X6
Calibration: 0047920IL20SIG2X6

Variant 23

ECU

Catalog engine: 4400 408HP
Controller brand: SIEMENS
ECU: MSD85.3
Stock power: 408 HP
SW upgrade: 0047920IL20SIS9X6
Calibration: 0047920IL20SIS9X6

Related vehicles

Other vehicles built on the MSD85.3 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the BMW 6 SERIES on the MSD85.3?

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 MSD85.3 ECU software on this model?

Yes — the BMW 6 SERIES on the MSD85.3 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.