Strange noise from motor
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Join Date: Oct 2022
Location: California
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My Ride: 2010 528i
Strange noise from motor
Long story short this noise came about roughly a month ago. I thought maybe plugs were failed so I replaced valve cover gasket, spark plugs, spark plug tubes, crankcase vent hose because I broke it remove the vc, valtetronic shaft sensor gasket, eccentric shaft actuator seal and the noise is still there. It sounds like a dirt bike and the noise increases as the rpm’s increase. It’s noticeably louder on cold starts, any guesses?
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