Today I'm gonna show how to clone BMW X3 Continental MSV90 ECU with Xhorse Multi-Prog Programmer by bench. Here I prepared an old ECU and a new one.

Note:
Please ensure the Multi-Prog Software version is 1.44 or above.
Verify file integrity before writing.

Open Multi-Prog software,
Device >> BMW_CONTINENTAL_MSV90(BMW -> X3 Series)
Follow the wiring diagram to connect Multi-Prog & ECU.



Read the EEPROM data file.
Read the FLASH data file.
Open and then verify to ensure the file's integrity.
Write info to the new ECU.

All >> Immobilizer
Write the serial number of the new ECU.
Device >> BMW_CONTINENTAL_MSV90(BMW -> X3 Series)
Select BENCH to write the info without removing the ECU.
Click EEPROM to write the file.
Click FLASH to write the file.
Open >> Write
Wait until the percentage until 100%...
Starting the car.

Connect the new ECU to the car.
Start the car successfully.




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Oznake: xhorse multi prog