Thread: 3 Series 1990 325iX on ebay
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Old 04-02-2011, 11:27 PM   #6
Axxe
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Join Date: May 2004
Location: Oakville
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Yeah, an M20 needs 5w40 at the least, they run hot and have relatively loose tolerances. I ran 5w40 in the winter and 20w50 in the summer. I assume you're using the lucas because it's consuming oil?
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