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BMW Valve Stem Seals

BMW Valve Stem Seals

3 thoughts on “BMW Valve Stem Seals”

  1. My 2005 BMW 545i 8 cylinders is burning oil and blue Smoke comes from exhaust after idling for a few minutes. I think it is valve stem cells that are worn out. I have replaced the PCVs couple of times so those are not the problem. I took to the BMW dealer and they said the service engine soon light is due to bad catalytic converters. I don’t think so. I did not change CC. Car runs great otherwise. Smoke is bothersome.
    How much will it cost to change valve seals?

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