2006 e60 520d after flat battery and trying to jump start it car just wont fire up it cranks but no start i have tryed inpa/dis/sss progman and can not get response from dde all other modules respond ok i have even got someone else with diagnostics try same thing dde not responding so is my dde/ecu dead

 

It'd be good if you can find a good ECU just to try and see if the engine fires up with that ECU. Otherwise, you may have no choice but to buy a new one.

 

If all other modules respond ok then why dont you use WINKFP to flash the module and align it? It's obviously not a BUS problem.