Question about 1999 BMW 318 ti

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BMW 318i 2000

Hi All

Having trouble with motor keeps cutting out when stopping or idling. Have tried repacing air flow pipe, and cleaning filter valve, still no luck, any ideas you chaps?? ;)


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  • ingrammoore
    ingrammoore Jan 13, 2009

    Thanks simulator, I dis-connected the air flow meter, and runs well now so looks like I do need a new one........ Any idea of how much I should expect to pay for a new one to be fitted??

    Thanks again for your response




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I had the same problem and it was the airflow sensor that was on the way out. good luck

Posted on Jan 11, 2009


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What is wrong 95 BMW 318i starting issue and idle rough won't stat running?

Vane air flow (VAF) units are a common failure on these cars. It is the the sensor mounted inline on your intake tube that is aluminum and black plastic with a round twist plug. If you unplug it an it runs better that is most likely your culprit. The gentleman above is on the right track. Intake boot cracks/failures are quite common on these older cars too as are the EGR tubes/hoses - listen for air leaks/sucking noises.

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1 Answer

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A few things to check.
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