Octane placebo or logical replacement?
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10-26-2012, 01:40 AM
Join Date: Jan 2010
Location: Valparaiso, IN
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Also, like I said before, google search pre detonation. And why does bmw require 91 octane
To better understand the whole point behind this. 87 has the potential to explode before spark in higher compression engines which is very bad.
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