Program BMW EWS2 EWS3 EWS4 Key with Xtool X100 PAD2

Xtool supports BMW EWS2 EWS3 EWS4 all keys lost and add key, but not by OBD2. You need to read D-FLASH/EEPROM data first.

Device required:

XTOOL X100 Pad2/ X100 Pad3/x100 elite/ h6 pro/autopad

Xtool KC100 adapter or KC501 chip & key adapter (KC501 should work with x100 pad3)

Xtool BMW EWS2/EWS3/EWS4 User Manual

First of all, remove EWS unit and backup D-FLASH/EEPROM data with chip programmer

Connect xtool tablet with vehicle via OBD socket

Enter Immobilier function->BMW->EWS

Program-BMW-EWS2-EWS3-EWS4-Key-with-Xtool-X100-PAD2-1 (2)

Read Key Info: this function can read data from key chip. If doesn’t work, it means key chip is incorrect or locked.
Click “Read Keys Info”

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Connect KC100 or KC501, and enter activation page

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Put key chip inside KC100 or KC501

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Check if the key has been placed in the coil
Reading key

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After read key info successfully, it will prompt you to input folder name of the key

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It will show key data info as below

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Write start key: This function can generate dealer key. After dealer key generation is completed, put chip inside key and manually program the remote to start the car.

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Click “Write start key” menu, it will prompt put a new key into KC100 or KC501, click OK to continue

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It will prompt you to choose D-FLASH or EEPROM data

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(Note: this data is the backup data which are read through EWS disassembly)
It will prompt the VIN and EWS type of current chosen D-FLASH/EEPROM data, click OK to continue

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After D-FLASH analysis, it will show key info.

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Choose an unused key position, and then click “Write start key”

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Creating key

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Make dealer key success.

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When key is programmed successfully, put key chip back inside the key and manually program remote, then it can start the car.

Done.

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