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Old 11-30-2012, 10:34 AM   #12
Parts hoarding partner...
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Join Date: Nov 2007
Location: Toronto
Posts: 3,428
ok, I'm gonna thread jack here: I just rebuilt the top end of a M20 and the idle races to 2k and stays there. Tried reving it to drop but it doesn't seem to go down much. I unplugged my AFM and the idle drops with the dme trying to compensate so the car runs a bit rough. She stabilizes after a min or so. The car stays running with it unplugged.

would anyone know what the possible cause of the high idle could be?

any help would be appreciated. thx.

I think I've had 18 bmw's in 6 years.

1 90 325is white - keepin
1 87 325i vert -red - keepin
latest addition 1 88-325is red - parts
latest addition 1 89-325i vert - white -fixin/sold
latest addition 1 92-318i vert - blue - parts
latest addition 1 87 325is blk - parts.
latest addition as of 2013-Gold 87-325is auto! it's a keeper!
KEEPER 88 5sp Vert 2016
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