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      01-25-2010, 11:14 AM   #25
WilliamE92
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Drives: 2013 EB F30 335 MT
Join Date: Aug 2009
Location: CA

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What were your operating temps running 5w-40?

I'm running consistently at 240 even in the winter, and its bugging me because in the summer it gets to be 100+ around here and running 5w-30 BMW oil just seems like a sin.