I'm taking on the task of swapping my 885 head from an 89 325i into my 86 eta. As of now I am still in the process of collecting the little parts. I've done a bunch of research on the topic and I just can't seem to find any answers regarding the wiring.
My question is this: Most every thread I've read says that I must use a wiring harness from an 87 325i along with a 173 red label ECU. I have a harness and ECU from a 92 325i vert (a random parts car I have). I was wondering what is the difference between the harness from 87 and the rest of the late model years and I was also wondering if I could use the 525 red label and harness I have from my 92 vert without any major problems.
Any help would be EXTREMELY appreciated. Thank you!!
My question is this: Most every thread I've read says that I must use a wiring harness from an 87 325i along with a 173 red label ECU. I have a harness and ECU from a 92 325i vert (a random parts car I have). I was wondering what is the difference between the harness from 87 and the rest of the late model years and I was also wondering if I could use the 525 red label and harness I have from my 92 vert without any major problems.
Any help would be EXTREMELY appreciated. Thank you!!
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