BMW · MSD81 ECU · petrol

BMW Z SERIES MSD81 tuning files

The BMW Z SERIES on the MSD81, mapped from stock file to finished result. The matched variants sit between 306 and 340 HP from the factory. It is a petrol platform, tuned for response and clean power delivery. Each file is tied to the precise software on your car and checked before it goes out.

Upload your file →All Z SERIES coverage

Available solutions

Solutions that apply to the MSD81 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

22 distinct variants for the BMW Z SERIES on the MSD81 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 3000 340HP
Engine code: N54B30
Controller brand: SIEMENS
ECU: MSD81
Stock power: 340 HP
ECU SW: 6577475275
ECU HW: 6577475211
SW upgrade: E393417
Calibration: E393417

Variant 2

ECU

Catalog engine: 3000 340HP
Engine code: N54B30OV
Controller brand: SIEMENS
ECU: MSD81
Stock power: 340 HP
ECU SW: 6577475159
ECU HW: 6577475275
SW upgrade: 0044CC0IKB0SIJB3S
Calibration: 0044CC0IKB0SIJB3S

Variant 3

ECU

Catalog engine: 3000 340HP
Engine code: N54B30
Controller brand: SIEMENS
ECU: MSD81
Stock power: 340 HP
ECU SW: 6577475275
ECU HW: 6577475211
SW upgrade: 0044CC0INA0SIHU7S
Calibration: 0044CC0INA0SIHU7S

Variant 4

ECU

Catalog engine: 3000 306HP
Controller brand: SIEMENS
ECU: MSD81
Stock power: 306 HP
SW upgrade: 0044CC0IHD0SIGA1S
Calibration: 0044CC0IHD0SIGA1S

Variant 5

ECU

Catalog engine: 3000 306HP
Controller brand: SIEMENS
ECU: MSD81
Stock power: 306 HP
SW upgrade: 0044CC0IGD0SIFN7S
Calibration: 0044CC0IGD0SIFN7S

Variant 6

ECU

Catalog engine: 3000 306HP
Controller brand: SIEMENS
ECU: MSD81
Stock power: 306 HP
SW upgrade: 0044CC0IGD0SIGD7S
Calibration: 0044CC0IGD0SIGD7S

Variant 7

ECU

Catalog engine: 3000 306HP
Engine code: N54B30O0
Controller brand: SIEMENS
ECU: MSD81
Stock power: 306 HP
ECU SW: 6577475171
ECU HW: 6577475205
SW upgrade: E162893
Calibration: E162893

Variant 8

ECU

Catalog engine: 3000 306HP
Controller brand: SIEMENS
ECU: MSD81
Stock power: 306 HP
SW upgrade: E569352
Calibration: E569352

Variant 9

ECU

Catalog engine: 3000 306HP
Engine code: N54B30O0
Controller brand: SIEMENS
ECU: MSD81
Stock power: 306 HP
SW upgrade: L193163
Calibration: L193163

Variant 10

ECU

Catalog engine: 3000 306HP
Controller brand: SIEMENS
ECU: MSD81
Stock power: 306 HP

Variant 11

ECU

Catalog engine: 3000 306HP
Controller brand: SIEMENS
ECU: MSD81
Stock power: 306 HP
SW upgrade: 0044CC0INA0SIHV7S
Calibration: 0044CC0INA0SIHV7S

Variant 12

ECU

Catalog engine: 3000 306HP
Controller brand: SIEMENS
ECU: MSD81
Stock power: 306 HP
SW upgrade: E393837
Calibration: E393837

Variant 13

ECU

Catalog engine: 3000 306HP
Engine code: N54B30O0
Controller brand: SIEMENS
ECU: MSD81
Stock power: 306 HP
ECU HW: 08619751
SW upgrade: E371556
Calibration: E371556

Variant 14

ECU

Catalog engine: 3000 306HP
Engine code: N54B30
Controller brand: SIEMENS
ECU: MSD81
Stock power: 306 HP
ECU SW: 07632830
ECU HW: 07632766
SW upgrade: E298466
Calibration: E298466

Variant 15

ECU

Catalog engine: 3000 306HP
Controller brand: SIEMENS
ECU: MSD81
Stock power: 306 HP
SW upgrade: 0044CC0IMC0SIGR2S
Calibration: 0044CC0IMC0SIGR2S

Variant 16

ECU

Catalog engine: 3000 306HP
Controller brand: SIEMENS
ECU: MSD81
Stock power: 306 HP
SW upgrade: E163740
Calibration: E163740

Variant 17

ECU

Catalog engine: 3000 306HP
Controller brand: SIEMENS
ECU: MSD81
Stock power: 306 HP
SW upgrade: 0044CC0IHD0SIGR3S
Calibration: 0044CC0IHD0SIGR3S

Variant 18

ECU

Catalog engine: 3000 306HP
Controller brand: SIEMENS
ECU: MSD81
Stock power: 306 HP
SW upgrade: E384327
Calibration: E384327

Variant 19

ECU

Catalog engine: 3000 306HP
Controller brand: SIEMENS
ECU: MSD81
Stock power: 306 HP
SW upgrade: J129231
Calibration: J129231

Variant 20

ECU

Catalog engine: 3000 306HP
Controller brand: SIEMENS
ECU: MSD81
Stock power: 306 HP
SW upgrade: 0044CC0IGD0SIGRAS
Calibration: 0044CC0IGD0SIGRAS

Variant 21

ECU

Catalog engine: 3000 306HP
Engine code: N54B30OV
Controller brand: SIEMENS
ECU: MSD81
Stock power: 306 HP
SW upgrade: E372104
Calibration: E372104

Variant 22

ECU

Catalog engine: 3000 306HP
Controller brand: SIEMENS
ECU: MSD81
Stock power: 306 HP
SW upgrade: E298996
Calibration: E298996

Related vehicles

Other vehicles built on the MSD81 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the BMW Z SERIES on the MSD81?

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 MSD81 ECU software on this model?

Yes — the BMW Z SERIES on the MSD81 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.