Yanhua ACDP BMW Program CAS3 All Keys Lost, Possible?


  1. BMW CAS3 all keys lost, can I use Yanhua ACDP Programming via OBD directly? Or should I disassemble DME to read ISN?
  2. Lost keys on E84 BMW X1 CAS3 istap4. Can YanhuaACDP Key Programmer read ISN from the ECU, or can it read from CAS?



Yanhua ACDP BMW is able to program CAS3 all keys lost. It allows to read the CAS data, generate dealer keys and write CAS data.

Thereinto, it supports 2 methods to generate dealer keys:

  1. Remove DME module to read ISN;
  2. Try to start 16-64 times.

(More details please click “Help” on right side)


Note: Yanhua Mini ACDP cannot read CAS via OBD. Please follow the above steps to disassemble CAS for reading.


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