You're in good shape. No sludge there. Do always use BMW 5W-30 no matter who does the oil change. Alderson only charges about $90 for an oil change. Not a bad price for a dealership.
"People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf." -- Geo. Orwell
2006 330i Sonora w/ ActiveAutoWerke flash tune :-)
2004 330i ZHP Imola/NB - missed
2000 328i TiAg - gone but not forgotten
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