BMW Multi Tool, User Manual, Page: 22 / 31

BMW Multi Tool User Manual
22
3
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Choose key position and press
“Make Dealer Key” button. Flow the
given tips to prepare dealer key. After succeed you can save the new
EEPROM dump file.
For EWS1, EWS2, EWS3, EWS4, CAS1, CAS2, CAS3 type the prepared dealer
key can start the engine directly.
For some CA3+ type you need to write back the new dump file into car.
4. CAS3 encrypt data, only can prepare dealer key with a working key data.