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  1. Tensioner/Pulley noise... or is it? Hmm.

    General E46 Forum
    Alrighty folks. I've been trying to decide for a while now wether I should just replace my Mechanical Tensioner, or upgrade to the Hydraulic. It's been taking me a while, since what sparked my interest was a very faint squeal that I starting hearing... about a year ago now. [I know, I know...