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Old 01-17-2010, 04:08 PM
advertisehere advertisehere is offline
pancakes?
Location: Belmont, CA
 
Join Date: Dec 2009
Posts: 72
Mein Auto: '96 328i sedan
One thing I'm not clear about***********: under normal operating conditions and at operating temperature, the oil temp should be the same regardless of the ambient temperature (if it does, the cooling system is at fault). So what's the difference between a 30-weight at 10 and 100 degrees Fahrenheit?

also, isn't 0w-X inherently better in any climate than 10w-X because of the reduction in thickness at sub-operating temps

btw, I don't know what those asterisks are doing there

Last edited by advertisehere; 01-17-2010 at 04:13 PM.
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