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By certification 
The most powerful device - AK90 can make keys for all BMW with EWS1, 2, 3, 3+ and 4.3
The features :
1. Directly reading data dumps from MCU which marked 1D47J , 2D47J , 0D46J ,
2L86D without removing MCU from circuit board , easy to do yourself .
2. With the help of software you can change VIN , Mileage and renew , lock or unlock keys as well .
3. Programming original chips "EML 10030A" for making keys .
4. Identifying keys for all EWS and CAS , showing VIN , key No. and mileage .
The lastest update software version is V2.5 for EWS4.4
