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higher elevations have higher octane (archive)

[ Follow Ups ] [ 5-series (E39) Message Board ] [ Msg. Board FAQ ]

Posted by Brian Lewis on July 06, 2000 at 10:19:41:

In Reply to: Where 96 and why? posted by EricS on July 05, 2000 at 22:51:49:

: will ECU advance the spark more if you have higher octane, resulting in better performance??
: Thanks for input.

:
: : : :
: : : : nt

: :
: : : 92 Octane Super Unleaded all the TIME!...
: : : Usually Chevron or Mobil, no others
: : : Car recommends 91 octane on cap

Higher elevations usually have higher octane ratings to help keep the cars running properly. 92 is the highest here in Southern California at 0-100ft sea level for the most part, but if you go to Colorado somewhere you will find 93-94 octane, never seen 96 but I guess its possible


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