Side question... how long are you guys running between oil change intervals? I figure every 7k is a good interval but that's just a wild guess. BMW specs a what, 15k OCI which I think is absurd.
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Now: '09 128i/6 Sport/Premium/Cold Weather | '97 M3/4/5 #404 TTD
Then: '95 Miata | '91 535i | '96 328i | '95 325i | '13 Focus ST
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