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Old 12-21-2009, 05:37 PM   #6
pdxmotorhead
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Join Date: Mar 2005
Location: Portland Or
Posts: 2,666
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Premium when the outside air temps are 70F or above
mid grade when its cooler 40F to 70F
and if its really cold I drop to regular. When its below 40F out.

Dave
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Dave - PDX
1995 318ti - Active Black and Tan.
2005 330xi - Mtech 1 - 6spd - Orient Blue/Black
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