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Originally Posted by cowboynj
Are there issues with sludge in the 4.4? It seem some people use additives and some do not. I have owned 2 series BMWs for 20 years and use nothing but synthetic oil.
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well, all my jobs have been done at the dealer, so go figure.
he says sludge, who knows. its like bull riding in a crystal shop in there, i swear.
and mine's an 01, and i do extend my oil changes - meaning i usually just go off the indicator lights for service instead of changing at regular mileage intervals.... yeah yeah, spare me the lesson. i know better.