Quote:
Originally Posted by thebmw
S63 compression is no higher than virtually all other BMW engines. Not sure what the panic is from everyone. I put 87 octane in these so-called high compression engines all the time for years with absolutely zero knock. I've driven engines with higher compression ratios than the S63 with zero knock. These are not engines made 30 years ago. So calm down, everything will be fine even if you wanted to use 87 octane from here on out.
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Yea I think you're right. As long as your not pushing the car hard like on a race track I think it will be ok.
Today's gasoline is good stuff even if the octane rating is lower.