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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E36 (1991 - 1999)

E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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  #26  
Old 08-05-2012, 05:01 PM
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I guess that's true, I didn't replace the fan on my Hellrot when I did that clutch either.

All else fails I have two extra radiators at my house lol.

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  #27  
Old 08-05-2012, 05:13 PM
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I love how you made this thread in the E36 section
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  #28  
Old 08-05-2012, 05:23 PM
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I love how you made this thread in the E36 section
You know what's sad? The E30 section didn't even cross my mind lol. Maybe I'll wander over there.

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  #29  
Old 08-05-2012, 05:30 PM
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You know what's sad? The E30 section didn't even cross my mind lol. Maybe I'll wander over there.

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But... ... ... Aren't there E30 people over there? I heard they smell. Kinda like New Jersey...
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  #30  
Old 08-05-2012, 05:39 PM
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Eww, I do not like NJ.

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  #31  
Old 08-05-2012, 05:51 PM
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Quote:
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But... ... ... Aren't there E30 people over there? I heard they smell. Kinda like New Jersey...
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Eww, I do not like NJ.

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wait,...*I* don't really like jersey...but i'm also not even from around here...




edit...oh yeah, this is also why i think about going turbo on a ti....the m4x is just a later version of the m10 block, and apparently the m4x heads will accept s14 cams...
df
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  #32  
Old 08-06-2012, 12:53 PM
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Ok, fuel pressure quick connect, is there one? What's the psi supposed to be?
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  #33  
Old 08-06-2012, 02:34 PM
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I'da spent the extra $20 and replaced the fan, too.
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Originally Posted by jonesin View Post
Matt, it may look to be in great shape, but is it worth a fan blade going through the rad to save $20?


EDIT:

An old brittle BMW plastic fan blade at that...
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  #34  
Old 08-06-2012, 03:13 PM
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  #35  
Old 08-06-2012, 03:50 PM
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Ok, fuel pressure quick connect, is there one? What's the psi supposed to be?
There isn't on the E36, dunno about the E30.
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  #36  
Old 08-06-2012, 04:35 PM
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Karma?
I'd say!

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There isn't on the E36, dunno about the E30.

Blah, uploading video, I simply connected the fuel feed to a tester.




I know Ed's going to get a kick out of that lol. Drove the car just down the road and back and I can hear a strange noise, damn fan caught the shroud!


Oh well, have a shroud and expansion tank (old one was leaking I think) ready to go in. New fan on the way.
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  #37  
Old 08-06-2012, 04:38 PM
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Uploading fuel pressure video now. It was quite strange, key on is around 30psi unless I turn the key on and off, then it goes all the way up to 80psi, wtf?


Also, I found a big vacuum line that goes to the throttle body elbow was disconnected.


Now it will idle sometimes high, sometimes low. Mind you this is with the airbox completely off, Maf disconnected, etc. Another note, I think it's flooding itself. I can start it and let it idle a few times but when it dies I sometimes cannot start it for a few minutes.

Could a big vacuum leak cause the FPR to add too much fuel?
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  #38  
Old 08-06-2012, 05:09 PM
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  #39  
Old 08-06-2012, 05:46 PM
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Here's a vac line I just pulled off the fuel pressure regulator (I think) would a leak cause more fuel or less?


Pretty shot:

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  #40  
Old 08-06-2012, 06:10 PM
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never used a digital read out pressure head, so i do not know how they operate other than resistance through a pressure sensor. not a big fan of that, really....


anyway, the vac leak will be a big factor at both the fpr and the other elbow. fix them and plug everything back in.

is the fpr wet at the vac nipple?? if so, replace the fpr. but most pfr fail and puch the fuel pressure higher on bmw's from my experience. not that they don't also leak, but if not leaky and fuel pressure out of spec up high, it would be my first suspect.


as for teh footwear.....



i forget, have you looked at the plugs??

cleaned the throttle plate, iac??




df
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  #41  
Old 08-06-2012, 06:21 PM
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never used a digital read out pressure head, so i do not know how they operate other than resistance through a pressure sensor. not a big fan of that, really....


anyway, the vac leak will be a big factor at both the fpr and the other elbow. fix them and plug everything back in.

is the fpr wet at the vac nipple?? if so, replace the fpr. but most pfr fail and puch the fuel pressure higher on bmw's from my experience. not that they don't also leak, but if not leaky and fuel pressure out of spec up high, it would be my first suspect.


as for teh footwear.....



i forget, have you looked at the plugs??

cleaned the throttle plate, iac??




df

Thanks for all the help DF!!

Fixed both Vac lines, and started it. Again it would idle for different measurements of time lol. One time would start with a higher idle and go down. Next time would be a little lower idle. Both times it died. Like before after a few turns of this I cannot start it, guessing it's still flooding itself.


Tomorrow I'm going to try another fuel pressure gauge if I can get my hands on one. Either way it's still weird for it to keep building pressure as I turn the key on and off, like the pump is dying but Idk.

FPR was not wet that I noticed, I have been leaning towards that being an issue though. Any way to test it?


Another note for tomorrow, going to try cleaning the MAF. What's the best/easiest way to check for vac leaks? Where is the iac? Haven't cleaned anything yet.

Also, no on the plugs, I should have pulled them as I suspect they were pretty wet. I bought new ones today. Tomorrow should be more conclusive.


Cliffs for tomorrow:


New plugs
Clean MAF
Check for more vac leaks
Test fuel pressure again
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  #42  
Old 08-06-2012, 06:31 PM
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  #43  
Old 08-06-2012, 06:40 PM
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no way to clean the afm (air flow meter, not maf...)

there is an adjustment plug near the hinge, iirc...been a looooong time since i have messed with the barn doors. they're a coil spring resistance design, and the coil can become stressed a bit and not read correctly, hence the adjustment. or you could 're-wind' the spring, but that's too much like work....)


the iac looks (or should) the same as on the e36. this could be giving you some funky idle issues, so i would clean that first.




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  #44  
Old 08-06-2012, 06:50 PM
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My mechanic friend said they can be cleaned, maybe he meant what you were taking about.

I'll look up the iac.

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  #45  
Old 08-06-2012, 07:43 PM
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yeah, the afm (barn door) doesn't really have any sort of access to clean anything. at least not that i am aware of.

they can, however, get jammed open and make the car stall...ask me how i know....





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  #46  
Old 08-07-2012, 01:09 AM
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Good stuff Matt! Hope you figure everything out
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  #47  
Old 08-07-2012, 08:14 AM
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  #48  
Old 08-07-2012, 04:11 PM
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Sup SAMA!


Took the AFM (MAF, whatever lol) apart to try and clean it to no avail. Here is the video with a better meter, don't pay attention to my friends in the background lol. I move the door open slowly as I did before.

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  #49  
Old 08-07-2012, 04:14 PM
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Sup SAMA!


Took the AFM (MAF, whatever lol) apart to try and clean it to no avail. Here is the video with a better meter, don't pay attention to my friends in the background lol. I move the door open slowly as I did before.

man i think that thing is shot. it's pretty inconsistant and jumpy, granted it could be the leads on the meter, but still... a used AFM from a junk E30 could be worth a shot.
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  #50  
Old 08-07-2012, 04:23 PM
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That's the plan, I used 3 different meters and 2 different leads and they all did the same thing.
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