BMW Multi Tool User Manual page 25

Process to prepare dealer key:
1. On main window choose "Connect" to auto detect the current car protocol
and get the CAS info.
2. On main window choose "Read EEPROM" to read the CAS EEPROM file and
save it.
3. On main window choose "Key Learn" button to get key learn window.
4. On Key Learn window choose "Get Key Info" to get the key info stored in
CAS system.(picture 2).
5. Choose "Save Key Info" button to save the read key info for backup.
6. Check the connection between programmer and device. Keep connection
while make key process.
7. Put new blank key into the center of programmer.
8. Choose the position where you want to suit the key.
9. Press "Make Dealer Key" to prepare dealer key. After succeed you will get
(picture 3)
"Key make okay and locked. Please use it start the car. If can't start engine,
use "Add Key" function add the new dealer key to CAS system." Once can start
the engine, go to step 13.
10. Put the new dealer key into programmer. Use "Add Key" function to add the
key to CAS system. After that you will get (picture 4):"New dealer key
success written to CAS system. You can start engine with the new key now.
If can't please use the original working key first."
11. Please return to main widow and use function "Synch DME-CAS" to
synchronize DME (ECU) with CAS.
12. Use "Synch CAS-ELV" to clear wheel errors.
13. Enter to key learn window use "Clear DTC" and "Clear Shadow" function
clear all error sin CAS system.
While prepare dealer key process. Once you get the tips like picture 1, remove
the key from ignition switch, if key has keyless, take the key out of car.
BMW Multi Tool User Manual
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