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Losing oil somewhere - BMW 320i E36 (2001) Auto

Recently (last 4-6 months) my oil levels have been falling consistantly and having inspected the engine from all aspects there is no trace of any leak. I was told by a friend that it implies that the engine is burning the oil and the best solution is a new engine? Is this true?

The car runs fine and smoothly with no apparent loss of power and I have it regularly serviced as per the indicators. I have done 93000 miles.

I look forward to any advice you may have. Many thanks in advance.

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  • ameet35 Feb 17, 2009

    the oil level keeps falling every 3-4 weeks, but there is no evidence on the ground or looking under the car (it all looks dry). The mechanic suggested that the engine must therefore be burning the oil. Not sure what this means.

  • ameet35 Feb 17, 2009

    Sorry I made a mistake, the model is E46.

  • ameet35 Feb 17, 2009

    Thanks. I had an inspection 1 in Oct 2008 (oil and all filters changed and spark plugs too) and the problem appears to have started soon after this.

  • ameet35 Feb 17, 2009

    Not much knowledge of engines, except knowing that oil should go into to engine! Thanks for the advice

    Ps- is there any more damage i can do by still driving and replacing the oil as necessary? Am i at risk...i.e will be engine suddenly fail/stop, because at the moment it is running fine. Thanks again.


  • yadayada
    yadayada May 11, 2010

    do u understand how an engine works? if not I am not going to explain, but you mech is 100% correct u need to overhaul the engine with new parts or replace it with a factory rebuilt one.

  • yadayada
    yadayada May 11, 2010

    is this a leak or are u burning it?

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U can keep driving, just make sure the oil always shows on the dipstick when u check it, if not then u can cause the engine to just freeze up from lack of lubrication.

Posted on Feb 17, 2009

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Sometimes yes "blow by" means your oil is going into your combustion chamber and being burnt. But don't get crazy you might need to change your oil and oil filter. also PCV valve. to do this it would probably average out to around $40.00unless you have it done. also do a tune up, with an oil and oil filter change, change the air filter aswell

Posted on Feb 17, 2009

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