BMW Multi Tool: program EWS and CAS Key from EEPROM Dump

Before programming a BMW Key, you need to have a basic understanding of your BMW immobilizer system. BMW immo system can be generally divided into two categories: EWS and CAS. EWS immo:EWS1、EWS2、EWS3、EWS4 CAS immo:CAS1、CAS2、CAS3、CAS3+、CAS4 How to tell your BMW is EWS or CAS immo? 1.… Continue Reading