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4131Re: [bmw e28] Higher Octane Issues

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  • Ed MacVaugh
    Jan 29, 2006

      ldsports808 wrote:

      >Hello all!
      >I recentley put 89 octane(US) in my 528e when I normally use 87 octane
      >(US). I noticed that my idle dropped from around 900 rpm to around
      >650. It kind of feels like it wants to shut off. It is a kind of
      >Since I filled the car up with 89 I am just waiting to refill it with
      >87 to see if it makes a difference. But does anyone have any ideas if
      >higher octane gas can cause this.
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