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Topic Review (Newest First)

  • 02-13-2011, 07:13 PM

    Re: suck it up...use Top Tier min.91 octane

    if you use regular, you'll burn more fuel cause the engine adjusts for the lower octane. I didn't believe it, 2x I tried regular and burned more fuel & lost the savings. Was about 2-2.5 mpg lower on each tankful. After putting premium 93 octane mpg jumped up 10% like clockwork... amazing'02 325ci 5-speed
    '79 Dark Green Vette
  • 02-12-2011, 01:52 PM

    Re: Premium Gasoline

    you boought a Premium car ,

    Premium Motor,

    use Premium Min. 91 Oct/Tier One gasoline
    that it requires for Premium Performance
  • 02-12-2011, 08:27 AM

    suck it up...use Top Tier min.91 octane

  • 02-11-2011, 10:40 PM

    Use the search function for this board

    for premium fuel.
    Much has been written on this topic; over and over.
    Nothing new has happened.
  • 02-11-2011, 07:13 PM

    Premium Gasoline

    Must we be using the high priced premium? How about alternating?

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