Question about 2001 BMW 325

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Bmw 325i overheating

There is still pressure in the lines. I'm trying to bleed it and I THINK i'm doing it right.

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  • joesmo89 Jan 24, 2009

    there had been some coolant leaking in the past. but I'm not sure where it's coming from(somewhere at the bottom). but it's not a real bad leak and it's been doing it since I bought the car back in June. The computer always says, "Check Coolant Level". I check it regularly and the coolant level doesn't drop.
    I've never once had the car even slightly over heat until a few days ago.

  • joesmo89 Jan 24, 2009

    there had been some coolant leaking in the past. but I'm not sure where it's coming from(somewhere at the bottom). but it's not a real bad leak and it's been doing it since I bought the car back in June. The computer always says, "Check Coolant Level". I check it regularly and the coolant level doesn't drop.
    I've never once had the car even slightly over heat until a few days ago.

  • joesmo89 Jan 24, 2009

    No hoses seem to be having any problems. and i haven't noticed anything from the thermostat.

    some quick facts:
    the computer has always said "check coolant level" but the coolant level is always fine.
    it only over heats once I drive it. I can leave the car at an idle and it will only heat to where it's supposed to.
    the first time the car overheated, I pulled over and opened the hood. there was antifreeze all over the left corner of the engine bay(facing the car).
    now I don't notice anymore leeks or anything. it just keeps overheating.


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There is a electronic flaot sensor on the bottom left of the expansion tank where the wire feed in, try checking that and the o-ring affilated with it

Posted on May 02, 2009

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Check to see that the expansion tank is not broken or if not u have to do a leak test on the car .....if everything is fine then u have 2 bleed the car with heater on full blast

Posted on Feb 23, 2009

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Is there any coolant leaking at either the lower hose or the t-stat?? Common issues

Posted on Jan 24, 2009

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OVERHEATING!!!!!!!


nooooo.
that's the problem
yes, you have to take the coolant filling cap off " expansion tank cap "
turn your car on for at least an hour
the bmw line has a very bad problem wich is " bubbles " inside your water system
you have to have your car inclined and running without the cap so he can bleed all the bubbles out.
sorry you spent all that money but after you replaced the radiator all you had to do was that, to get rid of bubbles.

so, do this. park your car on an incline position, engine up.
remove the cap. let it run for at least an hour.
refill as needed " coolant "
do that the following morning and for last refill the collant as needed.
problem should desapear.
hope this helps

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