I have an 86e chassis with an i harness and brain etc. What color wires do i need to connect together to get the tach to work since the connectors and wire colors are different?
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If your harness was from a 9/87 or later 325i/is/ic the tach and econometer signals are routed through C101, which is how the later cars are wired. Cars up to 8/87 have a connector off the engine harness near the DME connector for those signals. To make the tach work you'll have to modify the harness to extract those signals. See http://wedophones.com/BMWManualsLead.htm for the diagram for the harness you have to find the wires to pick off.The car makes it possible, but the driver makes it happen.
Jim Levie, Huntsville, AL -
I'm doing this exact same thing. It would be nice if there was a sticky of some sort, or someone could explain what to do in better terms. Pictures go a LONG way, some of us are visual learners!______________________________________
1984 LSB 318i - Sold
1986 325i - Motor Swapped Track Car Project
1995 318ti - Sold
1999 540iA - Daily DriverComment
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ha- I gotta do this sooner than later, too.
tnow, sometimes I just mess with people. It's more entertaining that way. george gravesComment
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I did the same to my car. If you search the threads around for that swap, some dude did an excellent write up. I went from 85e to 89i and it all works perfect.
found it. this is the same write up I used and its perfectly written and works great
http://www.r3vlimited.com/board/showthread.php?t=100939&highlight=c101[/URL]Last edited by diggity_1031; 02-20-2012, 06:59 PM.Comment
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I found some better info from this site, and it has pictures!
http://www.strictlyeta.net/technical/328i_8.html______________________________________
1984 LSB 318i - Sold
1986 325i - Motor Swapped Track Car Project
1995 318ti - Sold
1999 540iA - Daily DriverComment
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