Launch X431 IMMO Elite Program BMW MEVD17.2.4 ECU Replacement

This is how to use Launch X431 IMMO Elite to program BMW MEVD17.2.4 engine ECU replacement on bench. Besides, it also supports to perform the anti-theft module replacement function for Mercedes-Benz, VW, Audi, Porsche, Honda, Nissan, Hyundai, Kia, BYD, etc. The same process applies to X431 IMMO Plus as well.

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Procedure

Step1. Backup Original Data

Connect the diagnostic connector and X431 IMMO Elite anti-theft programmer at the same time.

IMMO >> BMW >> OK >> OK >> Engine module replacement >> BENCH mode

 

Precautions

The Bluetooth or WIFI data reading/writing in BENCH mode is unstable, so the ECU may be damaged. Do use the USB to connect the device and connector.

Press “OK”.

 

MEVD17.2.4_TC1797 >> Display connection diagram

Connect to the ECU according to the wiring diagram. The current read/write data volume is large. To improve communication stability, use the USB for connection.

Press “OK”.

 

Read chip ID >> OK >> Backup eeprom data >> Save data file

Backup FLASH data >> Save data file

Anti-theft data backup succeeded!

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Step2. Modify ISN

EEPROM data decryption >> Select the corresponding EEPROM file >> Save the ISN photo >> OK

Change ISN >> Select the corresponding EEPROM file >> Enter the saved ISN >> Save the file

ISN successfully modified!

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Step3. Restore Data

Restore Eeprom data >> Select the modified eeprom data to write back

Restore EEPROM data successfully!

Restore FLASH data >> Select the FLASH data

Restore data successfully!

Complete.

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