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      06-13-2013, 12:47 PM   #20
FogCityM3
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Drives: M3 (E90) & Shelby GT350R
Join Date: Feb 2012
Location: San Francisco

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Check out Redline oil (or engine oil additive if getting oil changed under warranty). Both the oil and the additive have extra zinc and phosphorus (beyond the API requirements), which forms a protective film/has very good anti-engine wear properties. Racing oil also contains very high levels of zinc/phosphorous.