Need Fuel Pump 91 318i
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If you want an in-tank pump to last more then a few months, get a new one. They are junk straight from the factory, going with a used one is just asking for it...Comment
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Get a new one. We sell them for $229 shipped @ KO. That way the pump is warrantied for 12 months and if anything like this happens again we got you covered. ;)
- Erick
Edit: hahahah thanks Justin. Your parts shipped out today btw.Erick Mahle | FullOpp Drift | YouTube
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Originally posted by Mr. Anderson...one of the most hardcore E30's around. :DComment
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This was a basically brand new pump. Was no more than 2 months in a clean 3-yr old tank.
Have you applied juice directly to the pump to test it. Do so before you toss it out. I did have problems in the past with the connector at the pump not making proper contact.Comment
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So, bad news.. it was the pump.
Good news.. its working. I hooked the fuel pump straight up to my battery using jumper cables (it was all I had). The pump didn't do anything.
When Scent told me to put some "juice" to it, I remembered something. When I took an engine-tear down class for Navistar, my instructor had worked for BMW's fuel systems for many years. He told me e30's were known for their fuel pumps giving problems. He said reverse polarity fixed the vast majority of the issues he encountered. I guess there are little needles or something in the pump which easily get clogged from particles (aka crap) in the tank. All you have to do is hook it up backwards to spin the particles out.
Sure enough, I put the jumper cables on backwards and it immediately spun out the clogged particles. Then I connected the cables the correct way and it started running with no problems.
Oh, yeah... running smooth and no more bogging out at high RPM's. Added bonus + the pump doesn't hum loudly anymore. Nice and quiet..
thanks!Comment
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Glad to see you got the beast working again J. Now sell it and get a real E30....you know what I mean ;)Danny
88 ///M3 - Zinno street/shop queen
88 ///M3 - Henna Track rat (Sold)
98 ///M3 hellrot - Sold
89 Porsche 944 - dd
95 E34 525it/pick up - P/U Project
90 325is - track ratComment
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So, bad news.. it was the pump.
Good news.. its working. I hooked the fuel pump straight up to my battery using jumper cables (it was all I had). The pump didn't do anything.
When Scent told me to put some "juice" to it, I remembered something. When I took an engine-tear down class for Navistar, my instructor had worked for BMW's fuel systems for many years. He told me e30's were known for their fuel pumps giving problems. He said reverse polarity fixed the vast majority of the issues he encountered. I guess there are little needles or something in the pump which easily get clogged from particles (aka crap) in the tank. All you have to do is hook it up backwards to spin the particles out.
Sure enough, I put the jumper cables on backwards and it immediately spun out the clogged particles. Then I connected the cables the correct way and it started running with no problems.
Oh, yeah... running smooth and no more bogging out at high RPM's. Added bonus + the pump doesn't hum loudly anymore. Nice and quiet..
thanks!
hahahaha wtf... thats crazy. I'll have to keep that tidbit of info in the back of my mind. Actually, I'm going to try it on my dead pump while I wait for the new one...
Cool. Too bad I didn't see this before spamming your inbox. LOL.Comment
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