Confirmed! Xhorse VVDI2 is able to make a dealer key to BMW X5 MSV80. Tested by a locksmith Jet (Many thanks!)
The ECU info of X5: dme msv80
Connection is done and ready for key adding
Msv80 in vvdi2
Vvdi2 read out ecu isn
File make key
Load eeprom dump file
Select key 9, then make dealer key
Please put new key into vvdi2 key programmer
The key doesn’t have keyless
Please save the new eeprom dump file
Please flash the new cas eeprom dump into the car
Then use the new dealer key start the engine
If cas belogs to ISTAP4 version, don’t write new dump back to cas!
The engine starts with the new dealer key
Done!