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Re: Manual says 89 Octane is OK, but. . . . . . . (archive)
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Posted by JohnC ('99 540ia) on January 07, 2001 at 21:52:22:

In Reply to: Manual says 89 Octane is OK, but. . . . . . . posted by Great528 on January 07, 2001 at 21:38:32:


what do you guys/gals run? Does the 528 need premium fuel, or just the 540/M5?


I've run 93 octane since new. Now staying away from Mobil gas after a fuel pump failure (and again on my wifes car!). Generally staying with Sunoco or Amoco at this point.

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