Was replacing the blower fan and noticed this wire was unplugged. I connected it back and it didn't seem to make any difference. So now I'm wondering what its for. See attached pic. 
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'90 325i - 5 speed coupe
'05 330ci 6MT ZHP -
Unplug it. It is for m42's that don't have a catalytic converter.what you did to this car is like getting a supermodel naked and willing to do anything you please. now here you are faced with ths once in a lifetime opportunity and then you squander it by making her fuck you in the butt with a 24" strap on. you are a sad, silly little boy. -
That was quick. Thank you!!!'90 325i - 5 speed coupe
'05 330ci 6MT ZHPComment
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oh man that damn wire....i wonder how many people who aren't on here or m42club.com got rid of their cars because of that being connected haha1991 318is --- currently not road worthy
1991 318i ---- 308K - retired
Originally posted by RickSloan
so if you didnt get it like that did you glue fuzzy oil to the entire thing?Comment
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What exactly happens with it connected? I only had my engine running for a minute or so with it connected but I didn't notice anything different'90 325i - 5 speed coupe
'05 330ci 6MT ZHPComment
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Results in starting and rough running issues, especially with restarts after the engine has been run for a while/warmed up.1990 325i: slippery slope from DD/DE car to SE30/ITS
1991 318is: raw DD
2004 330i zhp: civilized daily driverComment
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You guys have no idea how much I love you right nowComment
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Read this, went to to my car at 2 AM, "yup it's plugged in." Unplugged it and it seems to idle a bit smoother now. Gonna have to drive it for a while to see how big of a difference it makes.
I've never heard of this wire till just now and you guys saved me a lot of trouble. Seriously, thank you.Comment
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I knew this topic would be about this wire / plug...
Everything has been said, I will just add this picture, check bottom left
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You say "Where are your other two cylinders?"
I say "Where's your other camshaft?"
Frankenmotor: if an M42, M44, M20, S50, and S52 were to have a kid.Comment
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Got you all beat. I knew what the OP was going to ask before he posted the thread.
mnightshyamalan.jpgComment
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LOL!! The love is strong here!!Comment
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CUT THE RED WIRE!!!
The most classic M42 question. When in doubt, pull it out.Different strokes for different folks.Comment
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Hhmm had a weird feeling to look into this thread, sure enough mines plug in tooComment
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