Low coolant issue

Discussion in '5 Series' started by geffg, Oct 9, 2019.

  1. geffg
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    geffg

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    Hi. Any common fault when losing coolant! Bmw f10 525d the 2.0 one, message today saying low coolant, topped up and now see what happens. Couldn’t see anything obvious around engine bay of any leak when car was running.
    It’s had the egr cooler replaced in April so I assume they topped the coolant up when they replaced this. Would the car naturally loose any over time or will this be a fault.
    Something with water issues with this car lately, first the headlight condensation a couple months ago, sorted that then the rear footwell soaked last week, sorted that, now this!
     
  2. kleynie
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    kleynie WARLORD Site Supporter

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    I had this after my EGR cooler was replaced, it needed another EGR cooler but I sold the car instead (to a garage)
    You won’t see the coolant as it goes out the exhaust pipe from the EGR.
     
  3. geffg
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    geffg

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    Topped coolant up and it’s now low again after a week. Will have to contact bmw tomorrow see what they say.
    If it is the cooler again would it get replaced foc again?
     
  4. Singvogel
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    Singvogel Moderator WARLORD Site Supporter

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    It should do - I'd be kicking up quite a fuss if it was not.
     
  5. kleynie
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    kleynie WARLORD Site Supporter

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    Begs the question, did they actually replace it first time around or just check it?
     
  6. geffg
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    geffg

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    They had the car for nearly 2 months so I’d hope they did replace it. Mad thing is I never actually had any coolant loss before it got replaced!
    Would I be best talking to the dealer or bmw customer services? Not sure who I’d get more sense from when I tell them the issue.
     
  7. kleynie
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    kleynie WARLORD Site Supporter

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    Are you still within warranty? If so I would just call BMW emergency services, that’s what I did and they told me not to drive the car and they picked it up on a low loader.
     
  8. geffg
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    geffg

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    Unfortunately not in warranty.
     
  9. kleynie
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    kleynie WARLORD Site Supporter

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    I think I would talk to the dealer in that case, if you get nowhere then try BMW UK customer services.
     
  10. geffg
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    geffg

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    Been into dealers today and it’s booked in for “diagnostics” in a couple of weeks so will need to keep it topped up. Hopefully in a way it will be the cooler as it’s been an expensive year with one thing and another and then at this time of year now.
     
  11. kleynie
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    kleynie WARLORD Site Supporter

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    Good luck with it and keep us informed pls.
     
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  12. geffg
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    geffg

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    Thanks and yes I will.
     
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  13. geffg
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    geffg

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    Topped up the coolant today and done 10miles stopped then returning home and not far from home coolant low again so quite a leak. On checking tonight I can see coolant around at the bottom of the engine on the right side ( passenger side ) right below where the top hose off the rad disappears, pooled a little so looks like a leak somewhere rather than the cooler unfortunately! Will need to investigate further in daylight. Just now wondering whether it’s worth taking to bmw or get a local garage to sort it rather than pay bmw prices.
    On checking tonight also found smoke / fumes coming from oil filler neck! Why do jobs seem to escalate the more you look etc!! The bolt holding the neck was loose so tightened up but fumes still coming out. Must need a new seal on it.
     
    Last edited: Oct 20, 2019 at 10:39 PM
  14. bmwzoom
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    If it happened after being in the BMW workshop then I would be going back to the dealer stating it was fine until you touched it. There work / repairs are warranted
     

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