Here’s the guide to program remote smart keys on a Mini Cooper CAS3+ immobilizer with Lonsdor K518 key programmer via OBD.
Connect K518 host with vehicle via OBD socket
Turn on device
Select Immobilizer function on main menu
Select BMW->Select from type->CAS2/CAS3 series->Program Key
Will start to make dealer key
Insert key into card slot and press on Start button once
Lonsdor K518 ISE key programmer will display CAS part number and type.
Reading RAM… wait for 1 minute
Remove key from ignition switch.
For smart eym take it outside car.
Click OK to continue
Safety checking
Reading key inforamtion
Select a key position to program
If car key has been programmed but failed, please unlock the key and restore CAS data first
Press OK to continue
Select Remote Key
Pull Lonsdor K518 Auto Key Programmer key slot to the right and insert the key to program (to identify if the key is legal and to pre-process key)
Detecting key…
Current key is legal
Writing key inforamation…
Insert the key generated into card slot for 5 sec
If vehicle cannot start, or direction lock shows on the dashboard, please synch ELV or DME accordingly.
Writing key information completed.
Test the new key.
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