Question about 1985 BMW 5 Series

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1985 bmw 535 wont stay running

I have a 1985 bmw 535. last year i changed both fuel pumps and the fuel filter. recently the car hesitated and now it starts but won't stay running.it only runs for a couple of seconds and if i press the gas pedal it doesnt respond.

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  • Jeff Hammack
    Jeff Hammack May 11, 2010

    check your vane air flow sensor?

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Having same sort of problems my pump under the car is noisy and sounds like a ratchet but decent fuel pressure new injetors plugs wires and ignition coil it will idle fine but when you put the pedal down at all it is very un responsive I think maybe timing issue cause distributer is not clamped down but even when timed it still has very little power and rpms slowly climb even on a rev I need help just don't know what to do could it be as simple as a cap and rotor or does this round like a deep problem

Posted on Jul 09, 2012

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Few checks can be made crank sensor not correctly positioned defective air flow meter can be jammed have you check the fuel pressure and del. as a new pump can be defective

Posted on Jul 29, 2009

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i think you are saying that you crank it,it starts,then it goes dead over and over again?

or are you saying that you think the security system has disabled your engine?i have a '85 535i and a '84 528e i've had a different problem with the 535i and have just been driving the 528e.my point being that i cant remember everything about the 535i but i can look and tell you where everything is if you dont know or cant find out.

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