Engine oil sludge building up

Discussion in 'Engine Tech' started by Patrick23, Sep 9, 2016.

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  1. Patrick23

    Patrick23 Club Guest

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    New car
    E90 323i
    Year 2011
    Mileage 5xk

    My car engine having noticeable engine oils sludge building up. I was servicing my car by autobavaria according what did bmw scheduled . This is very disappointed and frustrated when they offer me for a new engine change for rm 19k!! Its sound not a reasonable price. The warranty just pass around 10 days when i sent my car for inspection by autobavaria. I know im not the first person getting this issue, anyone experienced can share the complaint route or even a lawsuit case settlement?
     
  2. gimli

    gimli Club Guest

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    can i ask what was the symptoms?? also what was the frequency of servicing? full service record or partial?

    if its not too bad, you can service using mineral oil//semi synthetic, change it next 500km's and repeat if necessary. If I am not mistaken, there is a treatment you can also use. if its quite bad, maybe can try opening the valve cover and clean the head manually?
     
  3. kevin1982my

    kevin1982my Club Guest

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    50000km milleage in 5 years.
     
  4. fred1388

    fred1388 Club Guest

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    Mostly city or highway driving ? How often you change the engine oil.

    Maybe can shed some light..
     

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