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      05-05-2012, 07:58 AM   #13
kbsilver
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Drives: 2011 335d
Join Date: Jan 2012
Location: Central Jersey

Posts: 161
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I'll post my same 2 cents I did on the other board. As long as you drive the car so the oil gets good and hot on a regular basis, yes the oil itself is good for the recommended 13K mile intervals. But it's what the oil is holding, which in the case of a diesel includes suspended soot particles, that worries me. And while the engine is close to bullet proof the same oil is lubricating the turbos with somewhat delicate bearings. For a $50K+ car, that I plan on keeping a long time (purchased, not leased), I sleep just a little better doing the mid cycle oil changes.

For duramax - once the oil change time limit expired for me, it stopped showing oil mileage completely and went as a red, change your oil alert.
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