How-to: Program BMW X3 2013 F25 key CAS4 system using lonsdor k518ise and vvdi prog.
Step 1: Read D-flash with Xhorse VVDI Prog
Remove CAS4 module from vehicle
Read D-flash and EEPROM dump data with VVDIProg
Step 2: Program key with Lonsdor K518
Press OK to select D-Flash file.
2. Put the new key close to car induction coil
3. Press Start button and wait for 15 sec (wait 15s to remove key even when dashboard indicator goes on)
4. Check if all functions of new key are normal.