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      12-03-2012, 04:10 PM   #35
mocohead
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Drives: '16 M235i 6MT & 12 128i Msport
Join Date: Sep 2010
Location: CA

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OP my guess is that you had detonation due to using 89 octane fuel.

Really you should run the highest octane gas possible, and preferably only tier 1 fuel.