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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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  #1  
Old 05-22-2015, 04:50 PM
SuperEta1988 SuperEta1988 is offline
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Location: Los Angeles
 
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Mein Auto: 1988 BMW 325e
Question Aftermarket fuel pump/filter?

Hey guys/gals,

I'm looking to change my fuel pump/filter on my 1988 325e and was wondering what aftermarket parts would be recommended? Not looking for anything special. Just something to get my car running again.


Also, I'm not 100% sure its the fuel pump/filter that crapped out but it seemed to have the right symptoms.

THANKS!
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  #2  
Old 05-22-2015, 05:15 PM
SuperEta1988 SuperEta1988 is offline
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Mein Auto: 1988 BMW 325e
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  #3  
Old 05-23-2015, 12:09 AM
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cmac2012 cmac2012 is offline
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Mein Auto: Two 1987 325i, 418K, 211K
I've looked and the after market don't generally cost a lot less than stock. I can get OEM for about $200, a good aftermarket is around $120 IIRC. I've had some good luck with boneyard pumps. Seems whack but you never know how recently a pump was put in on an E30 in a boneyard. Up here a junkyard pump is $30. If you take a 12V screwgun battery with you and somehow connect wires to the right leads you can test them after you take them out. I used an old defunct charger with wires leading from the right points. OTOH, the pump is usually going to work. I suspect that very few cars landed in the boneyard because of a bad fuel pump, though stranger things have happened. The hard part to test is does it work but is on its last legs. Oh well, it's a gamble.
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  #4  
Old 05-23-2015, 11:06 PM
SuperEta1988 SuperEta1988 is offline
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Quote:
Originally Posted by cmac2012 View Post
I've looked and the after market don't generally cost a lot less than stock. I can get OEM for about $200, a good aftermarket is around $120 IIRC. I've had some good luck with boneyard pumps. Seems whack but you never know how recently a pump was put in on an E30 in a boneyard. Up here a junkyard pump is $30. If you take a 12V screwgun battery with you and somehow connect wires to the right leads you can test them after you take them out. I used an old defunct charger with wires leading from the right points. OTOH, the pump is usually going to work. I suspect that very few cars landed in the boneyard because of a bad fuel pump, though stranger things have happened. The hard part to test is does it work but is on its last legs. Oh well, it's a gamble.
Thanks for the tip, checking one out this weekend.
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  #5  
Old 05-24-2015, 07:06 PM
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BMWFatherFigure BMWFatherFigure is offline
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I have my boubts about after market parts. The original lasted 30+ years and some people want a cheap replacement? I know it is a PITA that the part failed when you own the car but you also want a reliable car.
Test you existing pump for pressure and flow before you junk it. You just never know.
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I've just changed my wiper blades and now my reverse lights don't work. Should I change my fuel pump relay?
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  #6  
Old 05-26-2015, 10:19 PM
SuperEta1988 SuperEta1988 is offline
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Quote:
Originally Posted by BMWFatherFigure View Post
I have my boubts about after market parts. The original lasted 30+ years and some people want a cheap replacement? I know it is a PITA that the part failed when you own the car but you also want a reliable car.
Test you existing pump for pressure and flow before you junk it. You just never know.
I'll have to look into that since now my car is acting up again. I had first just replaced the filter to see if that was the problem. It turned on after replacing the filter and it felt AMAZING! it sounded and felt almost brand new compared to before.

It has now been a week and I'm back to square one.. the car went back to having a rough idle, then there was a delay after accelerating, and then my car wouldn't turn on. I can get it to turn on but only while I hit the pump through the back seat as I turn the key.

I don't know what I should test out for first? If it was the pump then the car wouldn't
have turned on after changing the filter, right? or felt as good as it did?

I do now have something to add though.. I was filling up my gas tank and noticed that when it filled up, some gas leaked onto the ground. I know because I'm 100% sure that I didn't spill any. It was dark out so I didn't get the chance to examine the tube but that got me thinking. Would it make sense if there had been a hole there for a while and dirt has slowly been getting into the tube and making it's way into the tank? now there's enough dirt in the tank that its clogging the filter as I replace them?
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  #7  
Old 05-27-2015, 12:51 AM
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cmac2012 cmac2012 is offline
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Mein Auto: Two 1987 325i, 418K, 211K
I guess it's possible, seems it would take a while, probably much more than a week.
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  #8  
Old 05-27-2015, 04:38 AM
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BMWFatherFigure BMWFatherFigure is offline
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It could also be rust from the tank clogging the filter. Maybe get a new one and cut open the old one.
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Good - Fast - Cheap: Pick any two.
Current:
E23 735i; E32 735iL; E34 535i; 2 X E38 735iL (Oxford Green and Alpine White); R50 Cooper; R55 Cooper Clubman. E38 Parts Car
Previous:
E21 318i; E30 318i; E32 735iL; E34 535i; E38 730iL; E53 4.4i
I've just changed my wiper blades and now my reverse lights don't work. Should I change my fuel pump relay?
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  #9  
Old 05-28-2015, 05:25 PM
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downhiller downhiller is offline
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pull the pump from the tank and inspect the prefilter. that will tell you if youre pumps pulling gunk in.
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  #10  
Old 06-01-2015, 08:35 AM
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Nick323 Nick323 is offline
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Mein Auto: 323i E30 2-door
I agree with downhiller
and then peer into the tank and check for foreign objets
P.S. Don't use a match
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e30 325e, fuel filter change, fuel filter diy, fuel pump, fuel pump problem, fuel system, fuelpump, super eta


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