I have a 2004 E46 320d. I had to disconect the battery to change it and since changing the battery the car doesnt start.
The car will constantly turn over and doesnt fire, i tried spraying eazistart into the intake and this caused it to start but then cut out.
1st though was that there was an imobiliser fault as i couldnt hear the fuel pump.
I have plugged the car into a friends AutoBoss computer and it says it is unable to connect to the ECU - it lets him read instrument cluster and stereo etc.. but not ECU.
Am i right in thinking my ECU is goosed ? or is it a simple coding issue ?
Any help would be greatly appreciated!!