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      11-24-2012, 12:57 PM   #12
335dwagon
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Drives: 2007 BMW 335D wagon
Join Date: Jan 2012
Location: Filderstadt, Deutschland

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Doesn't matter about the EGR. The carbon build up on these cars comes from a oil control problem. Not just the 335D, but also the N54 and N55 engines. Causing oil to blow through and coat the intercooler and charge piping, gunking up intake valves etc. This problem will be eliminated with the install of an oil catch can
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