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Old 11-30-2012, 04:40 PM   #8
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Join Date: Sep 2012
Location: Old Greg's Cavern
Posts: 12,651
My Ride: '13 128i, '04 330Ci
I doubt that oil is causing knocking. I can't listen to the video at work, but I'm just gonna recommend that you go back to what BMW specified (LL-01 Synthetic) so you can eliminate oil as the cause. What was the reason you went to non-synthetic? It is inferior in almost every way.
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