silly chip/gas grade question...

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  • BimmerBall
    Advanced Member
    • Oct 2006
    • 185

    #1

    silly chip/gas grade question...

    if I understand correctly if you have a chip you're supposed to run a higher octane, but what exactly is the reasoning behind it?
  • nando
    Moderator
    • Nov 2003
    • 34827

    #2
    the chip increases the timing advance, that's where most of the power is made. this means you need to run high octane fuel in order to avoid detonation.
    Build thread

    Bimmerlabs

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    • BimmerBall
      Advanced Member
      • Oct 2006
      • 185

      #3
      ah yes, i see now. thanks!

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