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BMW 730d just started a problem with acceleration. Completly flat up to 2000rpm..cant pull away from light, after 3000rpm..everything fine.. Air flow metre showing fault replaced cleared fault but still no umphh!!

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  • sturner212 Oct 14, 2008

    I have a very loud hissing noise whilst accelerating. Notice down on power when under hard acceleration.

  • Anonymous Mar 22, 2014

    The abs and service light are on constantly, and when I pull away after a few seconds the stop light shows,

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  • 178 Answers

Hello first look to see your last change on fuel filter make sure your duct work is tight on throttle body to maf that your not creating a vacuum leak you will here hissing type sound while car is running goodluck

Posted on Sep 18, 2008

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Posted on Jan 02, 2017

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