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  1. Cam Shaft Scoring - Oil Starvation or Worse?

    General E46 Forum
    On another thread re: VCGs, folks were posting their cam shafts and someone made a comment on mine. They said that the scratch or scoring on the exhaust cam shaft was indicative of running low on oil. This has me concerned. Does anyone know why this scratch/scoring is here and what it means? It...
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