Thread: Losing Oil...
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Old 11-14-2012, 01:41 PM   #10
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Join Date: May 2007
Location: TX
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Originally Posted by SamDoe1 View Post
OE BMW oil is a special formulation of 5w30 Castrol.
Emphasis on special. Run of the mill Castrol 5W-30 that you can buy at Walmart is inferior compared to any LL-01 oil.

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