E30 325 wiring diagram

[Duncan189]

Hey guys, just bought a 325 e30 2 door with factory mteck kit etc car looks ok but lots of rust on sills and wheels arch etc. we a have a problem as it won’t start and some one has tried to by pass a aftermarket alarm system - it’s a 1989 model did they have a factory immobilizer and does any one have a wiring diagram for the ignition system as it turns over but no firing. It’s lost it’s earth to the coil that’s why I’m wondering if it’s an immobilizer issue. Some one had run a cable to the fuel pump to as this has an open circuit

[BFleming]

I hope you're comfortable with reading wiring diagrams. There's a lot here, and it's a US version, but I hope it helps: http://bimmertips.com/wp-content/uploads/2018/04/e...

[996owner]

does it have the full OBC?
If so theirs an option on them to set a code to prevent the car starting, it'll operate an inhibitor relay somewhere..

There's a relay on the old e30's known as a DMe Relay (white) check that too. https://www.youtube.com/watch?v=yLJ9wtuwjBU

I worked on an old e30325 and there was a snapped wire on the engine loom, under the intake theirs a multiway connector (circular) on the car I worked on there was 1 snapped wire casusing the car to run on 3 pots.