bmw f10 cas4 is dead

hi guys
i got bmw f10 with cas4 that someone try to make key
he killed the cas
i read it look like flash is corrupt
cas4 6135-9301522.9-01
can someone help please
thanks

eeprom is good

buy new cas from bmw if you not solve....is not expensive ...is something like 280-300 euro
then you will need just to make coding with ista p

you can also repair it.dont need new one

thanks lot i think cas is demaged
i will bring used and try

buy new cas from bmw if you not solve....is not expensive ...is something like 280-300 euro
then you will need just to make coding with ista p

KEY making is not so expensive also, but others prefer to throw away money-time.