3/02/2017

Xhorse VVDI calculate BMW CAS4+ Crypto ISN in EDC17CP45


Here is the instruction on calculating BMW CAS4+ Crypto ISN in EDC17CP45 by Xhorse VVDI2 key programmer and VVDI Prog ecu programmer based on a youtube video (see attachment in the end).

Disclaimer: You are at your risk.
Preparation:
Read BMW CAS4+ and ECU eeprom file respectively  via VVDI prog programmer. Got ISN transferred by additional software.




Process:
Connect VVDI2 key programmer with vehicle
select Key Learn->File make key
file-make-key
Select Type CAS4+ 5M48H
select Load CAS4+ eeprom dump file read by VVDI Prog ecu programmer
upload-cas4-eeprom
Select Have a working key. Insert working key to CAS4 programmer and continue
insert-working-key
Follow screen prompt
Prepare dealer key within 30 seconds, the windows maybe failure dead. Please wait to the end.
input new key to programmer then continue
VVDI2 prompt cannot read key error
Copy CAS4+ ISN and paste it to keypad
copy-cas4-isn
Press Load eeprom dump file again, and upload the ECU eeprom read by VVDI-prog
This time select Have ECU dump file. Continue to load ecu dump file.
Have -ECU-dump-file
save-dump
Prepare dealer key within 30 seconds, the windows maybe failure dead. Please wait to the end.
input new key to programmer then continue
VVDI2 display error can not read key
Copy ECU ISN to keypad
copy-ecu-isn
Open VVDI prog software
Press Search and Find Hex Values
Find-Hex-Values
locate-Hex-Values
Copy and paste cas4+ ISN here
copy-paste-cas4-isn
copy-paste-cas4-isn-here
Click Edit tab->Remove
Removing the current block will decrease the file size, Continue?
Press Yes
remove
If the system prompt following message, press Yes
press-yes
Click Edit tab->Remove
Removing the current block will decrease the file size, Continue?
remove
click remove and repeat above procedure
Save eeprom bin file
save-eeprom-file
Done.
If you cannot see the picture clearly, please check the original video here.

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