Heyo, I'm thinking what I'm hearing is lifter noise over tensioner and wanted to try LM Hydraulic Lifter Additive before replacing a part. My ticking noise is constant now but hasn't always been. Does anyone have a review on the additive? I'm still learning about everyday maintenance for my BMW and am cautious about what I put in it. I use AMSOIL currently and do regular oil changes. Thx loves
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