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hydraulic lifter

  1. General E46 Forum
    Below is a link for some audio I recorded of the noise: http://www.youtube.com/watch?v=lPIjHTQ2xFQ&context=C2b40cADOEgsToPDskJMqxo6Lw9L1b6360mw9unK It only happens on a cold start and the frequency increases with RPM. After hitting 2,000 RPM or warming up, it goes away. After searching...
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