Lonsdor K518ISE Program BMW X3 F25 2013 CAS4 Key

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

In K518 Help menu, you’ll find the instruction document

We have read and save D-flash and EEPROM.

Save data and import it into Lonsdor “customfile” folder.
Press OK to select D-Flash file.

Decode VIN

K518 requires working key or ISN code (when all keys lost) to generate ignition key

Select a key position to continue

Then choose Have original key. If lost all keys, select Enter engine ISN code

Insert working key into Lonsdor key slot

Lonsdor K518ISE read current key ID

Remove key from the slot

Then insert new key to be programmed

Read new key ID and program

Generate ignition key success.

Follow steps below to program remote control:

1. Take all other keys out of car except new key
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.

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