e64 replace cas with used one, need answers

[shuvarec]

Hi
BMW 645ci 2004

Cas run out but i have dump from that cas. I bought cas from other car and put on it that dump. When i connect car with cas nothing work. Just see red car icon. What i have to do to use that used cas from other car or i have to buy new one from dealer and use ista p because the used one dont be work? .
i have upa, inpa ista P D r270. The number on cas almost the same. Old 61.35 - 6960978 New old 61.35 - 6963828
DO i need coding with ista p after transfer dump and this is problem that dont want to work
i can add dump, numbers from cas. I need couple information how to start with that. what i do wrong ?

TIA

[pepi]

You should transfer dumps from your CAS Flash and Eprom , if not work that means that your original dumps are NOT OK.

[shuvarec]

You should transfer dumps from your CAS Flash and Eprom , if not work that means that your original dumps are NOT OK.

Flash is modification bin before click program ? Sorry but i dont understand yet some words.