Quote:
Originally Posted by mannyo
My A8 is on 136K miles, on variable servicing and has had 7 changes so far.
In theory whats in the sump should not matter, because the oil filter should remove all the crap before it hits the engine.
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I would like to believe that but I am not sure. The filter looks pretty dark on both sides. I guess my issue is that this change was within "requirements" for Long life service and oil type and yet the oil is very black due to contaminants suspended in it. I think that I put in 1/2 ltr over the period, i dont burn blue smoke so its not as if the engine is letting huge amounts of oil/exhaust past the rings.
I guess I'll try to change at 10k intervals (at most). 
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2002 D2 S8 – Ming Blue, Valcona leather, Vavona wood insert, solar sunroof (to be fitted), Heated rear seats, extended leather pack, 18” Avus, ski hatch, Bose, auto dim rear view mirror, rear blind.
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