Quote:
Originally Posted by CrashDummy
The whole point of a higher octane gasoline is for the gas to burn slower, resulting in less knock in higher compression engines.
M6's definitely have high compression engines, so the effect of 87 octane gas in the tank is that you may get more pre- or post-detonation, or engine knock.
The cure is to drive nicely until you burn off the cheap stuff. It's not a disaster, just don't push the engine really hard until you've burned through this tank.
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Yea that was the plan. This is super stressful indeed!
Thanks again