I am installing a 1990 325i engine into my 1987 325e. I have a 1990 computer with an 87i wiring harness. Do I need to switch out any sensors to match? Anywhere I can get a simple wiring diagram for the harness?
I think I recall seeing that a switch to an “I” head is a good idea.
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e30 zone wiki
no, the sensors will work if its a 73 dme (last numbers)
No e30s again.
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