Question about BMW 325

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Car starts then immediately idles down and shuts off

I have a 1986 BMW 325es and the car will start then immediately idle down and off. I've replaced the two fuel pumps, fuel pressure regulator, fuel filter and the thermo time switch. Still won't stay running. I did pull one spark plug out and check for spark and confirmed spark. Do I need to check all plugs. Could a bad rotor, cap , plugs , wires, coil cause this. I don't think its fuel delivery. Maybe crank senser , ECU?
HELP!!!!! cars been down for two months now.

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  • 92BMW325inub Dec 22, 2008

    My problem is almost exactly like yours except i have a 92 BMW 325i and the car starts once for a minute then shuts off once that happens the car won't start for a few hours and the same thing would happen im totally confused i hope this is just due to the fact its cold out i hate mechanical problems

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I have had the same problem at times. my car would start and then shut off. but i found that i needed oil and check my oil and it was a quater low put in some oil and everything went fine i notices that everytime the oil is low the same thing happens also depending on the position of the car being park meaning that if you are in a down hill position or up hill position i will do the same. so you have to accelarate for 1 minute to have the oil go up. i hope this works

Posted on Jun 18, 2009

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Fuel Injector cold start valve, this will directly affect the problem you are having.

Good luck, and let me know if there is anything else. Also, replacing the distributor cap and rotor are never a bad idea. along with the plugs and wires. with the price of fuel, it never hurts to get better mpg.

tepfy

Posted on Dec 27, 2008

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Same thing with me...put in some oil and cranked it a few times pushing the gas a little too and i was fine

Posted on Apr 30, 2010

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Hi, i have a 2001 oldsmobile alero my car starts but shuts off

Posted on Jun 29, 2012

  • gysal Sep 01, 2014

    Mine is a 2003 Alero, doing the same thing

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