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  1. E46 (1999 - 2006)
    last night i fill my 325 with full tank of speedway premium, is that ok? I heard from someone that speedway is junk. there might be water in the gas. I am very worried about it.
  2. 7 Series - E65 / E66 (2002 - 2008)
    This past weekend I was literally running on fumes (less than 10 miles to go) and I pulled into the nearest gas station. They were all out of premium so I said screw it how bad can it be once and filled it up. Noticeable decrease in power, slight pings and knocks and terrible gas mileage. On...
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