How to Program Mini Cooper CAS3 Remote Key by Lonsdor K518?

This post comes with the guide to add new key to Mini Cooper CAS3 using Lonsdor K518ISE.



Car: Mini Cooper CAS3

Keys: One Mini Working key+ one blank key

Device: Lonsdor K518ISE key programmer


Connect K518 to the vehicle

Test two car keys firstly, the original key works normally, but the new key doesn’t work

Lonsdor K518

Step 1: Backup original key data

Go to Immobilization-> BMW-> Select from type menu

Select CAS1/CAS2/CAS3-> Backup& Recover

Lonsdor K518

Lonsdor K518

Pay attention to the instruction:

This function allows to restore and backup CAS key data.

1.Please carry out this before key programming.

2.When key programming causes CAS to lock, you can use the previously saved key data to reset CAS

Press OK to continue

Download application…

Read out the CAS part number, type and detailed vehicle information

Lonsdor K518

Lonsdor K518

Then it will take about 1 minute to read RAM.

Remove key from ignition switch (For smart key, take it outside car)

Check safety…

Read key info…

Select Backup key data-> Input the name of the file to be saved-> Confirm the name is correct-> Operation complete

Lonsdor K518

Lonsdor K518

Lonsdor K518

Lonsdor K518

Step 2: Program new key

Back to main menu

Select Program/Delete key

Pay attention to the prompt of making dealer key:

1.This can add one key (select blank position)

2.This can replace the original key (choose non-blank position)

3.This can generate key via OBD or k518 KEY SLOT

4.For CAS1/CAS2/CAS3/CAS3+ type, lost all keys programming is available

Lonsdor K518

Then click start button once

Read out the vehicle info same as the step 1

Read RAM about 1 minute

Remove key from ignition switch (For smart key, take it outside car)

Check safety…

Read key info…

It will show a list of current CAS key position info

Select one unused key to generate key

Lonsdor K518

Select key generation mode (original ignition coil is generated)

Lonsdor K518

Note: If the key is an original key, please pre-process firstly. If the key has been programmed but failed, please do key unlocking and CAS key data restoring firstly.


Select key type depends on your need

Here select Remote key

Lonsdor K518

Pull K518 key slot to the right and insert the key to be programmed (to identify if the key is legal and to pre-process key)

Lonsdor K518

Detect key…

The current key detected is legal and continue to generate

Lonsdor K518

Insert key needed to be programmed into car slot

Lonsdor K518

Writing key info…


Please kindly notice:

If for remote or smart key, please complete following steps:

1.Take away the key from the ignition switch

2.Re-insert key into ignition switch

3.Press start button


If the vehicle cannot be started, or direction lock shows on the dashboard, please synch ELV or DME accordingly.


K518ISE write the key info successfully

Lonsdor K518

Finally, use the two keys to start the car and remote, works perfectly

Lonsdor K518



Lonsdor K518 Immobilization Car List:

Audi, BMW, Benz, VW, Volvo, Citroen, Ferrari, Maserati, Fiat, Lamborghini, Jaguar, MG, Land Rover, Bentley, Lancia, Opel, Peugeot, Porsche, DS, Renault, Alfa Romeo, Smart, Borgward



Cadillac, Chevrolet, Dodge, GMC, Buick, Hummer, Ford, JEEP, Lincoln, Mercury



Honda, Hyundai, Isuzu, KIA, Lexus, Mazda, Mitsubishi, Nissan, Ssangyong, Subaru, Suzuki, Toyota, Shigaoka Queen



Iveco, Trumpchi, BYD, Geely, Chery, Great Wall, Young Lotus (Basically all Chinese car models are included)


Lonsdor K518ISE Key programmer Special Features:

Volvo (S40,  S60,  S80,  XC60,  XC90,  C30,  C70,  V40,  V60,  V70) key programming.

Toyota/Lexus: smart key all key lost – via OBD (without dismantle)

BMW CAS3/CAS3+/CAS3++: direct OBD programming

BMW CAS4/CAS4+: dismantle & read data programming

16 -New Maserati: smart key programming

16 -New Ford: smart key programming

Hyundai / Kia 46/47/8A smart key: PIN code reading via OBD, all key lost included.

Renault (Megane, Koleos, Scenic) without PIN code key programming

VAG group 4th & 5th immobilizer system

Ferrari (458, F12, F149): direct OBD programming

Peugeot /Citroen: two ways to read PIN code & programming, all keys lost included.


Check the full Lonsdor K518 Immobilizer car list, please click here:

Newest update about K518 subscription:

Promotion date: from June 1st, 2020

Extend K518 Trial Period (Free Update):

–For all new K518 users:
If you had purchased & registered K518S or K518ISE after January 1, 2020, “Trial Period” (Free Update) will extend from 6 months to ONE YEAR.

If you have paid for an additional 1-year renewal package, the subscription time will be automatically extended accordingly.


Adjust K518 Subscription (Update) Price:

-For all K518 users:
All K518 subscription (Update) prices save 20% off based on the original price.

Lonsdor K518ISE One Year Update Subscription:

Lonsdor K518S One Year Update Subscription:


That’s all!