How to Add BMW CAS3+ Key with Xhorse Key Tool Max and Mini Prog

 Purpose

Using Xhorse VVDI Key Tool Max & Mini Prog to program a new key for BMW CAS3+ on bench.

 

Tools

BMW CAS3/CAS3+, dashboard, ignition modules

BMW CAS3/CAS3+ Solder-free Adapters

VVDI Key Tool Max

Xhorse Mini Prog

An old BMW key & a new key

 

Procedure

 

Read EEPROM

Connect Key Tool Max with Mini Prog via Bluetooth.

Go to Mini Prog main page, press

IMMO >> BMW >> CAS3+(0L15Y)(ADAPTER)

 

Connect CAS3+ chip with BMW adapter & Mini Prog.

Read >> EEPROM >> Start operation

 

Press “Continue” or START button on Mini Prog to start operation.

 

Rename and press “OK” to save file.

Program Key

Go back to Xhorse Key Tool Max main page, press

Special function >> Immo data tool >> Europe >> BMW >> CAS3+(0L15Y, 0M23S) >> CAS3+ >> Start execution >> Return button

 

Select data file saved just now.

Select an unused key position: Key 5, press “Prepare dealer key”.

 

Select “PCF 7936(PCF 7942/43/44345)”, press “OK”.

 

Put the old key into Key Tool Max coil slot.

Select “Have a working key. Insert working key to programmer and continue”, press “OK”.

 

Change to input the new key to Key Tool Max coil slot instead, press “OK”.

Is the new key with keyless? No.

 

Prepare dealer key success.

It can start engine after write back new dump file.

Add another new key need load the new data file.

Press OK >> Save file >> Rename & OK

 

Save file success. Press “OK”.

 

Let’s test the key in the end, both keys can start the engine.

Completed!

BMW CAS3+ adds a key by reading EEPROM with VVDI Mini Prog + Key Tool Max programmer successfully.

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