Question about 1996 BMW 318

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Hi,I have a loud high pitch howling noise coming from the engine when i remove the dip sick or the oil filler cap it dissapears but the sucktion is really high when you try to remove it.It failed the emissions test on high oxegen levels.Thanks Gary

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Some where you have a large vaccum leak, what i would do is get your self a squirt bottle with water start the motor and start squirting all around the vaccum lines first, when the motor starts to bogg down you have found your vaccum leak. but make sure that you do the whole motor and make sure theres not more than one leak.

Posted on Nov 18, 2009


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Posted on Jan 02, 2017


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