Quote:
Originally Posted by JasonCSU
Man, such high octane ratings. Do those ratings compare with ours in the US? The highest octane we can get here in Colorado is 91, and we have no choice on the ethanol front, all of our fuel contains 10% ethanol. I think the highest rating I've seen in the US is 95 excluding the race fuel few stations have.
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Euro octane may be roughly converted to US AKI octane by subtracting 5. BMW recommends 91 AKI for US models and 93 AKI is widely available in the eastern US.
Tom