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      09-09-2013, 03:08 PM   #4
FogCityM3
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Drives: M3 (E90) & Shelby GT350R
Join Date: Feb 2012
Location: San Francisco

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Used the 10W-60 and seemed fine, though in retrospect should probably be using something thinner after all the interesting comments (the credible ones that is) from earlier posts. What do you guys think of using Redline 5w-50?

http://www.redlineoil.com/product.aspx?pid=135&pcid=21