BMW · MSD85.1 ECU · petrol

BMW X SERIES MSD85.1 tuning files

Here is what the catalog holds for the BMW X SERIES on the MSD85.1. Across the matched variants stock power runs from 306 to 408 HP. There are 12 distinct variants on file for this combination. 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 X SERIES coverage

Available solutions

What we can run on the MSD85.1 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

12 distinct variants for the BMW X SERIES on the MSD85.1 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 4400 408HP
Engine code: N63B44
Controller brand: SIEMENS
ECU: MSD85.1
Stock power: 408 HP
ECU SW: 08614998
ECU HW: 07644029
SW upgrade: L281529
Calibration: L281529

Variant 2

ECU

Catalog engine: 4400 408HP
Engine code: N63B44
Controller brand: SIEMENS
ECU: MSD85.1
Stock power: 408 HP
ECU SW: 08614998
ECU HW: 07644029
SW upgrade: LZ91683
Calibration: LZ91683

Variant 3

ECU

Catalog engine: 4400 408HP
Controller brand: SIEMENS
ECU: MSD85.1
Stock power: 408 HP

Variant 4

ECU

Catalog engine: 4400 408HP
Engine code: N63B44
Controller brand: SIEMENS
ECU: MSD85.1
Stock power: 408 HP
ECU SW: 07644058
ECU HW: 07644029
SW upgrade: LJ37062
Calibration: LJ37062

Variant 5

ECU

Catalog engine: 4400 408HP
Controller brand: SIEMENS
ECU: MSD85.1
Stock power: 408 HP
SW upgrade: LJ38393
Calibration: LJ38393

Variant 6

ECU

Catalog engine: 4400 408HP
Controller brand: SIEMENS
ECU: MSD85.1
Stock power: 408 HP
SW upgrade: LJ37643
Calibration: LJ37643

Variant 7

ECU

Catalog engine: 4400 408HP
Engine code: N63B44
Controller brand: SIEMENS
ECU: MSD85.1
Stock power: 408 HP
ECU SW: 07612590
ECU HW: 07607985
SW upgrade: LG99082
Calibration: LG99082

Variant 8

ECU

Catalog engine: 4400 408HP
Engine code: N63B44
Controller brand: SIEMENS
ECU: MSD85.1
Stock power: 408 HP
ECU SW: 6579025116
ECU HW: 6579025258
SW upgrade: L283811
Calibration: L283811

Variant 9

ECU

Catalog engine: 4400 408HP
Controller brand: SIEMENS
ECU: MSD85.1
Stock power: 408 HP
SW upgrade: LZ93181
Calibration: LZ93181

Variant 10

ECU

Catalog engine: 4400 407HP
Engine code: S63B44A
Controller brand: SIEMENS
ECU: MSD85.1
Stock power: 407 HP
ECU SW: 08615018
ECU HW: 07649411
SW upgrade: 0000000
Calibration: 0000000

Variant 11

ECU

Catalog engine: 4400 407HP
Engine code: S63B44A
Controller brand: SIEMENS
ECU: MSD85.1
Stock power: 407 HP
ECU SW: 08615018
ECU HW: 07649411
SW upgrade: L283310
Calibration: L283310

Variant 12

ECU

Catalog engine: 3000 306HP
Engine code: N54B30
Controller brand: SIEMENS
ECU: MSD85.1
Stock power: 306 HP
ECU SW: 6579025109
ECU HW: 6579025254
SW upgrade: 0047620I950S0U9X0
Calibration: 0047620I950S0U9X0

Related vehicles

Other vehicles built on the MSD85.1 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the BMW X SERIES on the MSD85.1?

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 MSD85.1 ECU software on this model?

Yes — the BMW X SERIES on the MSD85.1 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.