Quote:
Originally Posted by bucketfoot
That said, why would you bother getting a BMW if you aren't going to use the proper fuel  |
Quote:
Originally Posted by dizz81
In before the "If you can't afford premium gas you shouldn't be driving a BMW" comment.
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Didn’t quite make it.
Quote:
Originally Posted by grannyknot
The difference between 87 octane and 91 octane is that 91 is harder to ignite so in a high compression engine the gas won't preignite before the optimum time in the compression cycle.
That's it.
Xylene and toluene are added to make the gas less volatile, harder to ignite.
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Ding, ding, ding. We have a winner.