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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E30 (1982 - 1993)

E30 (1982 - 1993)
God's Chariot. The E30 was produced primarily from 1982 through 1991. The cabriolet was the one exception which was produced through 1993.

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  #26  
Old 05-07-2014, 04:42 AM
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downhiller downhiller is offline
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emission FAIL 87 325i 2.5 leaky, creaky basketcase

if you have the dual pump setup the inline pump is just inside the drivers rear wheel.

only mentioned because of the noise statement

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Last edited by downhiller; 05-07-2014 at 04:43 AM.
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  #27  
Old 05-07-2014, 06:40 AM
used2bAVdub used2bAVdub is offline
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gotcha. actually, the noise seems to be coming from under the rear seat... a friend suggested i have a speaker wire buzzing...
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  #28  
Old 05-07-2014, 10:48 AM
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All 325I motors only have one fuel pump.Under the back seat, on the right hand (passenger) side of the car.
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  #29  
Old 05-07-2014, 05:53 PM
used2bAVdub used2bAVdub is offline
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I thought there were two in the tank: one to pressurize the tank and one to pump the fuel. No?
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  #30  
Old 05-07-2014, 06:31 PM
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hornhospital hornhospital is offline
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No. The 325/325e had one in-tank (low pressure/high volume) and one outside (high pressure/low volume).
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  #31  
Old 05-07-2014, 07:23 PM
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I can't believe they emission test 1987 cars.


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  #32  
Old 05-07-2014, 07:57 PM
used2bAVdub used2bAVdub is offline
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I think I may have been had. I'm goin in there tomorrow to see what's what. Yesterday's test: 4.05 Ox... fail: 4.01... thinking cat. It's only supposed to be two years old--I found the receipt when cleaning it out. Good news though. I may not have to fix it for a while. Already past the $750 point.

I've heard differing reports on whether it's possible to clean the catalytic converter and reuse it again... any comments? Soak it in a tub...?

Last edited by used2bAVdub; 05-07-2014 at 07:59 PM.
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  #33  
Old 05-08-2014, 03:26 AM
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downhiller downhiller is offline
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theres a fuel additive thats supposed to help clogged cats. forgot what its called


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  #34  
Old 05-08-2014, 05:25 AM
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Don't even try you'll just get crap in the cat you can't get out . when they're clogged the only way to fix them is to replace them . You can use a cheap universal but I would strongly recommend against it. Buy a stock replacement part that's made for your car ,it cost more but it's so much easier a job that it's worth every penny and the possibility of having leaks every where is greatly reduced. Now if your a good to above avg welder then you can ignore what I said and make your own exhaust ,but if that's the case you might as well buy a nice set of headers and gain some HP while your at it.
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  #35  
Old 05-08-2014, 01:42 PM
used2bAVdub used2bAVdub is offline
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Alright, y’all. Can you see those pics? Two are of what I suspect they have been passing as the “catalytic converter,” but I don’t think it is. Looks too small. The other is of some random plastic dealios that I can’t place. Maybe they belong to the car, maybe not. Anybody? Anybody?

Ferris?
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  #36  
Old 05-08-2014, 01:50 PM
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OK somebody has already replaced the cat with the wrong one and run single exhaust it should have dual exhaust and your right that's a universal cat. So they turned you 325i exhaust into 325e exhaust ,I wonder how bad the restriction is .
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  #37  
Old 05-08-2014, 08:00 PM
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downhiller downhiller is offline
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emission FAIL 87 325i 2.5 leaky, creaky basketcase

theres part of youre failing issue.


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  #38  
Old 05-08-2014, 08:51 PM
used2bAVdub used2bAVdub is offline
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I have no idea. I'll let you know the difference once I have bolted on what's supposed to be there.
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  #39  
Old 05-11-2014, 07:49 PM
used2bAVdub used2bAVdub is offline
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So I found an 89 automatic -- hopefully most of its parts are still there when I get to it. I wonder, is the exhaust on an 89 automatic going to be any different than mine (87 stick). It looks the same and I had thought that the parts would be interchangeable, but I’d like a vote before proceeding. Thanks, guys!
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  #40  
Old 05-13-2014, 02:06 PM
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BigBoy740il BigBoy740il is offline
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Mein Auto: 1989/1991 E30; 2000 E38
The only difference is the cat converter trans mount. You can use the one from you current catalytic converter.
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  #41  
Old 05-13-2014, 06:20 PM
used2bAVdub used2bAVdub is offline
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Thanks! Tomorrow.
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  #42  
Old 05-14-2014, 02:11 AM
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If his current on has a trans mount it's a bit of a hack job and may just be hung with hangers.Plus the mount will be for auto trans only you don't use it on a manual.Also w/single pipe they may have had to find another way to hang the pipe you usually do if you deviate to far from stock configuration with most exhaust systems.So you'll need to get rid of the old , just don't worry about the bracket for the cat (kinda triangular ) you don't need it's on a 5sp.

Last edited by toybuilder; 05-14-2014 at 02:32 AM.
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  #43  
Old 05-14-2014, 11:06 AM
used2bAVdub used2bAVdub is offline
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Perfect. Your response is very clear. Tomorrow is the 'hack' job; today didn't work out. I hope it's cleared up by then. We'll have to go out (a friend and mine) early tomorrow morning so everyone's schedule coincides. Tomorrow's the day the FINAL (stamped in red print all over the front) temp tags expire, too. Woo hoo!

I don't forsee any problems.
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