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Old 12-04-2012, 08:45 PM   #48
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Join Date: Jan 2008
Location: southern California
Posts: 550
My Ride: E46 2000 323i wagon
non-synthetic oil won't damage or cause engine knock guys!!! engine oil is for engine. Synthetic oil might have other benifits (last longer between oil changes, ect.) but is not necessary.

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