e30 electronic troubleshooting manual.
I ain't so literate when it comes to these complex schematics, but here it is.
Any interpretive help, in relation to my malicious misfire, would be appreciated or an interpretive dance, equally appreciated.
http://wedophones.com/Manuals/BMW/1984%20BMW%20318i%20-%20325e%20%20Electrical%20Troubleshooting%20Manual .pdf
I have disconnected the O2 but not for any prolonged period, usually <1min.
I'll try that.
Thanks,