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Forum Newbie
Group: Forum Members
Last Login: 5/14/2008 7:32:23 PM
Posts: 4,
Visits: 37
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| what synthetic oil viscosity would be best in a 1998 m3. using car at watkins glen driving school.
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Forum Newbie
Group: Forum Members
Last Login: 5/5/2008 1:30:25 PM
Posts: 3,
Visits: 5
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I use 5w50 in my Z3. Before i found the 5w50, I was using 15w50, and haven't had much of an issue.
course my engine doesn't rev that extra 2k..
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