Bmw e90 isn dme alignment

[garagetech]

Can anyone advice what i need to do with ecu replacement on e90 320d ?

Original ecu dead, water damaged. How i could code this donor ecu to start car?

Thanks

[kazikk]

read dump from ECU and from CAS and post i will try to help you.

[fear_dark]

send dump i make

[James MR2]

Or Simply try to use eeprom from old ECU into the donor one (BUT SAVE A COPY OF IT FIRST). If ignition was switched ON and OFF a few times without the ECU or ECU not communicating is possible the rolling codes might have jumped out. Will need to reallign the rolling codes only of ECU to EWS (CAS).

[garagetech]

Car started with avdi blokes, but fan stays on maybe need to icom it later , thanks alot anyway will comeback if i need you

Have a nice holiday