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post #4 of (permalink) Old 8th July 2009
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Super, thanks.

So, oil .

Got 5 liters of fairly expensive fully synthetic oil in my DCi, clearly full of very small soot particulates, do you think I can just change the filter and leave the oil in? What chemical / physical properties are likely to change over time that will affect the important properties?

The 530d I had used FS and had 178,000 miles on the clock and honestly, the internals looked as good as new.

Diesels run cooler than Petrols and don't pull the RPM's so the oil *should* be in great shape pretty much for ever I guess?

My old petrol S80 2.4 had fully synthetic Castrol oil and looked as good as new when it was changed. In fact I got the Volvo dealer to keep it for me and its been doing my mower justice ever since - still nice and golden after 5 years!
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