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01 e39

  1. 01 530i howling noise

    E39 (1997 - 2003)
    Ugh, my ears! At idle and while driving, there is an ungodly howling noise coming from somewhere in the engine compartment (continues for a few seconds even after the belts stop moving--replaced these yesterday foolishly hoping to solve the problem). Unable to pinpoint the source of the noise...
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