How to use LAUNCH X431 IMMO Elite or X431 IMMO Plus to replace the BMW engine computer?

Follow the steps to do it on bench easily by yourself.

Device and accessories required:

X431 IMMO Elite/Plus

DBScar VII VCI Connector

Launch X-PROG 3 immobilizer programmer

Other cables and adaptors in device package

BMW engine computer model: MEVD17.2.4_TC1797

Menu function path:

Select IMMO>> BMW software>> Engine Module Replacement>> BENCH Mode>> MEVD17.2.4_TC1797

Main steps:

Step 1: Read Chip ID

Step 2: Backup EEPROM Data

Step 3: Backup Flash Data

Step 4: EEPROM Data Decryption

Step 5: Change ISN

Step 6: Restore EEPROM Data

Step 7: Restore Flash Data

Connection:

Connect the DBScar VII VCI diagnostic connector and X-Prog3 anti-theft programmer at the same time.

The Bluetooth or wifi data reading/writing in bench mode is unstable, so the ECU maybe damaged. Do use the USB to connect the Launch X431 IMMO Plus/Elite device and DBSCAR connector.

Follow the wiring diagram to connect to ECU

Step 1: Read Chip ID

Step 2: Backup EEPROM Data

Read the original BMW engine eeprom data and choose one file to save

Step 3: Backup Flash Data

Read the original BMW engine flash data and choose one file to save

Step 4: EEPROM Data Decryption

Select the corresponding EEPROM file to operate

Decrypt the ISN code successfully

Save the ISN photo and use it later

Step 5: Change ISN

Select the EEPROM data the original car computer you just read

Enter the ISN (32-digit) you just read to be written, and enter the file name to be saved

Modify ISN successfully

Replace the computer that needs to be replaced to restore the eeprom data and flash data.

Step 6: Restore EEPROM Data

Select the modified eeprom data to write back

Restore EEPROM Data successfully

Step 7: Restore Flash Data

Select the original flash data to write

Restore flash Data successfully

Now the BMW engine computer is replaced by LAUNCH X431 IMMO ELITE key programmer/IMMO Plus.

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