Re: Gas quality on the E32 (archive)
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Posted by Britt 91 735i on May 13, 2001 at 16:22:20:
In Reply to: Gas quality on the E32 posted by Ron on May 13, 2001 at 14:29:27:
(posted from: cs2787-230.houston.rr.com (24.27.87.230))
You are getting nothing for any money you spend beyond regular. It does not increase power or mileage. Too low an octane hurts -- too high does not help and, in fact, can actually hurt. I think that 15 mpg is on the low end of normal for a 735. I get around 17 when commuting in Houston rush hour traffic (about 20% free-moving freeway, 80% stop and go).
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