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E34 (1989 - 1995)

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Old 04-20-2013, 09:38 AM
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Newman271 Newman271 is offline
That Guy
Location: Cincinnati, OH
Join Date: Apr 2012
Posts: 625
Mein Auto: 99' 540i M-Sport
IACV M30 Help

Just finished my M30B35 swap with Motronic 1.3 and 179 ecu in my e30. Starts fine no problems, but idles crazy high. Im thinking because I don't have a oxygen sensor, idle air control valve or a evap solenoid hooked up. The oxygen sensor im not worried about, I could always buy one or emulate one with resistors. Im thinking my main problem is the lack of a idle air control valve.
My question is since my motor didn't come with one and I can't get ahold of one till thursday, Can I use my two wire idle control valve in place of the three wire and just ground one wire like the oxygen sensor? Or am I doomed with a high idle till thursday? Im fabbing up my exhuast tonight to snake around my motor mounts on this hotrod lol.

That evap solenoid wouldn't cause my idle to be crazy like this would it? I have the evap canister from my e30 hooked up but with no solenoid in between, cause it just operated off vacuum.
1999 540i M-Sport
Still fresh and Minty

1985 335i
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