If you followed wrong procedure to use CGDI MB to write the elv and sync to eis (because some eis are dealer eis) It's simple job to follow the below steps. Steps: use the eis dump to write the elv !! dont touch the eis !! just read it and compute pass!!...
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Some BMW F series with FEM / BDC Immobilizer system has higher or lower firmware version, the user will get message "21E1 FEM BDC version does not support, please upgrade FEM BDC first " when using CGDI BMW to program key via OBD. then many users tend...
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