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    Key Programmers to make BMW key for EWS 4 and CAS 1-4

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    Different BMW key programmers recommendations on making BMW EWS and CAS1- 4 key.

    First is the guide on making ews4 key. Below is the EWS 4 soldering point diagram using xprog m ECU programmer (v5.50):

    program-bmw-ews4-key program-bmw-ews4-key-1

    Using ak90+ key programmer to read ews4 2l86d in circuit and no problems for now, this is diagram

    program-bmw-ews4-key-2

    program-bmw-ews4-key-3

    BMW key programmers needed to make key for CAS 1 to 4

    For cas the best tool is tmpro, especially CAS3+
    I have tested all and only this can make key to all situations
    so you need a good tool for read/write CAS
    Rosfar(original for me) or R270 key pro on table
    Abrites via obd.

    BMW multi tool via obd/ eeprom

    AK300 key pro via remove CAS, work with CAS1, CAS 2, CAS 3, CAS3+

    Motorola 912/9S12/9S12X Programmer is cheap at twice the price
    and also fgtech galletto  is to read ECUs because it is necessary to have eeprom file to TMpro.

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