N42/N46

BMW E46 N42/N46 Valve Stem Seals – Replacement DIY Guide

DIY Valve stem seals replacement on a BMW N42/N46 engine. Engine suddenly started consuming a lot of oil (6 dcl/1000 km). I had some substantial oil leaks, so I first had to replace: – oil pan gasket, – valve cover gasket, – Valvetronic motor gasket – Valvetronic sensor connector flange, – vaccum pump o-rings, – […]

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