Working early model SI board
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Thats not for 89 or 87+ clusters...its an early board. Pin out is different.Mtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205
OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827Comment
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Maybe that's why it did not fit in my car (1991 325i). Well, I guess it's a pre-87 SI board? It has the lithium batteries, and as far as I know, they came out after the NiCad batteries. Maybe there was some overlapping in time between the different si boards?
Thanks for letting me know. Cheers.Glacier blue metallic 1991 325ic

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No overlapping, they don't interchange at all. I do have 1 more late model SI board for sale if you need one, $45 shipped. Sold 3 this week on ebay, 1 last one left.Mtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205
OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827Comment
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Yep, notice it does not have provision for a front mounted coding plug ...the jumber of pins is different between the two boards.Mtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205
OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827Comment
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I know they are not interchangeable at all, I was just wondering about the time they came out. After I got the one I am selling, I finally checked and got the late model one that was compatible with my car, so I won't need another SI board. Thanks anyways.Glacier blue metallic 1991 325ic

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