So I'm sure it's somewhere in here but I can't seem to find it because I've seen it before years ago, but I just did an e to i swap with one of my friends and got everything hooked up and running but for the life of me I can't remember what wires to splice off the 173 ecu to get the new 7k tach revs to work. The car runs and drives and everything but the rpm tach is stuck at 0. I know the tach works because I took it out of my friends 89 325i when it got totaled. Any links or help would be greatly appreciated. Thanks for the help
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E to I swap, no rev response in tach
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