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      05-01-2014, 01:06 PM   #2
jadnashuanh
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Drives: 535iGT x-drive; i3 BEV
Join Date: May 2010
Location: USA

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No...the color of the oil has little to do with its lubricating properties. One of the big things an oil does is hold things in suspension, and if they are big enough, the filter will take them out as the oil passes through. Especially with a turbocharged engine, things can get into the oil fairly rapidly, but until the additives wear out and can't do their job, the color of it is mostly irrelevant. Now, if it spelled burnt or felt gritty, that would be a totally different issue, but color? Not an issue. Now, with a diesel engine, it will get looking nasty quicker, but still works fine.
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