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To prevent the engine oil sludge build-up, VW recommends Mobil 1 0w-40. This is a "European car" formula also recommended by Mercedes-Benz for it's gasoline-engined vehicles, especially the high-performance AMG models. Also, the larger engine oil filter is recommended by VW to minimize the sludge problem. As far as I know, the "special oil", and larger oil filter are recommended only for the inline 4 cylinder 1.8T engines. Not for the transverse 1.8T engined New Beetle. The larger oil filter, and it is MUCH larger, may have been originally intended for a Diesel-engined VW car, but now it helps fight sludge on the later model 1.8T Passats.

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16y ago

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