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Old 06-06-2012, 07:44 PM
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Edgy36-39 Edgy36-39 is offline
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Location: Northern Virginia
 
Join Date: Jan 2008
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Mein Auto: 1999 M3, 2002 M5
Gary -- many threads on this, very subjective topic. Check out my post, has links to other discussions.

Probably nothing wrong with 5w30. But in South Carolina, there is no reason you need to go that thin, and 10w60 gives the engine better cooling due to the broader viscosity range.
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