Ak90:
In circiut reading and writing ews2/ews3/ews4 data, support in circiut security for 0d46j, 1d47j, 2d47j, 2l86d, not need sodering mcu.
Test for all BMW key info and locked/unloke keys.
Change vin and mileage for all ews.
Read and write 10030a(eml) for factory keys.