How to use BMW multi tool to make BMW Dealer Key

How to use BMW multi tool to make BMW Dealer Key

The following parts, I will show you how to make BMW dealer key with BMW multi tool step by step.

1. Select CAS or EWS type. It will tips you:



2．Load the choose EEPROM file you will get the make dealer key window:


3. Select key position and press "Make Dealer Key" button.
Follow 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.

Please watch the BMW multi tool V2.3 user manual, it maybe more specifically describe.