Ummmm wtf??

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tm180sx
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Ummmm wtf??

Postby tm180sx » Tue Apr 23, 2013 12:36 am

Quick question fellas... Maybe someone could assist me here. Does anybody know where these three wires get connected? Do they go to the barometric pressure sensor or what ?!? This is the last of my puzzle for my 1st m20 swap. I have a 87 325. The motor was shot. So I pulled the bitch an put a m20 I it from a later model auto vert. So this is where I'm at. Thanks ~ Matt

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Re: Ummmm wtf??

Postby Yoshi » Tue Apr 23, 2013 1:28 am

There's a barometric sensor?

The wires look like they go either to the ICV or the throttle position sensor. I forget which. I have no idea what the second picture is. Can you get a picture of it from the side? Where does it mount to?
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Re: Ummmm wtf??

Postby M20_fever » Tue Apr 23, 2013 2:19 am

It mounts under the air box, and according to google its an intake manifold pressure sensor (MAP).

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Its new to me, what year m20 is it off of?
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Re: Ummmm wtf??

Postby ten2doyle102 » Tue Apr 23, 2013 3:50 am

Wow, that's interesting... A map sensor on an e30? Weird.
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Re: Ummmm wtf??

Postby tm180sx » Tue Apr 23, 2013 3:50 am

the motor is from a 90 vert i believe. #10 is exactly what i took a picture of. those three wires i just want to find out where im connecting them bastards to. i just cant find out what color wires are used on the intake manifold pressure sensor lol to determine if those wires even belong to it.. my first time seeing it as well. i put the part # in on google and it comes up as a barometric pressure sensor or an altitude sensor. From what i read people aren't even using it on their cars. But my gut is telling me those wires are deff important.
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Re: Ummmm wtf??

Postby Yoshi » Tue Apr 23, 2013 11:19 am

So those wires aren't necessarily from the baro sensor? Now that you mention it, I do recall a few E30s having these. Never knew that was what it was for but I think it's safe to take that out.

How is the wiring for everything else? I'm still gonna say tps or icv. Can you give us some more info on your swap?
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Re: Ummmm wtf??

Postby M20_fever » Tue Apr 23, 2013 1:25 pm

where do you live? Maybe there was a high altitude package for people living at high elevation? What I can tell you for sure is you don't need it. I have a '90is and don't even run an air box let alone that sensor.
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Re: Ummmm wtf??

Postby tm180sx » Tue Apr 23, 2013 8:34 pm

I'm in NY so altitude wise I'm straight. the swap is from a 90 vert automatic. it went into my 5speed 87 325e:

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I can get better pics tomorrow. the wire colors are: brown/orange
blue/yellow
blue/white
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Ummmm wtf??

Postby ten2doyle102 » Tue Apr 23, 2013 9:14 pm

Wow, that is a very nice e30. Well done!
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Re: Ummmm wtf??

Postby M20_fever » Tue Apr 23, 2013 10:46 pm

Hell yeah, JasonC's old car! In my top 3 all time favorite e30s.
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Re: Ummmm wtf??

Postby pr0craztinazn » Tue Apr 23, 2013 11:44 pm

Every E30 I've owned or parted had that hanging off the air cleaner, but I've never seen anything plugged into it except a hard line into the air cleaner. Sorry, but I can't be much of a help with regards to the wires. Brown is ground AFAIK.

Your car looks amazing!
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Re: Ummmm wtf??

Postby Nsquared97 » Wed Apr 24, 2013 3:43 am

Dang you have that car now? Lucky bastard! Love that car, not the biggest fan of those wheels though.
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Re: Ummmm wtf??

Postby tm180sx » Wed Apr 24, 2013 4:22 am

Yea I love this car it has so much character. It's actually sitting a lot prettier on borbet type H's right now. An the rust issue is about to be taken care of right after the swap is complete. I need to take care of suspension TLC as well. Ill deff keep you guys updated on the progress I know how a lot of people adore the funk as the dope machine.
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Re: Ummmm wtf??

Postby M20_fever » Wed Apr 24, 2013 6:47 am

I loved it with those wheels, have to see pics. Jason had a sweet hot rod look going on.
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Re: Ummmm wtf??

Postby Yoshi » Wed Apr 24, 2013 11:08 am

Odd. I can't find those wire colors in any of my spread sheets...
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