bmw 320i e90 ecu water damage

[edward b]

hi i have a bmw 320i e90 and the ecu has water damage and can not be read at all i was wondering how to setup the new ecu
i have a d-can cable and bmw tools set i am a nooby and have no idea what to do next any help would be appreciated

[xsashox]

Since the ECU is not communicating, you will have to try to bench read it and clone it to a new/used one. None of which can be done without special tools.

Or; find a virgin ECU (or make one, but again not without special tools) and program it.