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      05-20-2019, 02:06 AM   #4
BurrNinja
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Drives: 2017 540i Bluestone Metallic
Join Date: Jul 2016
Location: Ohio

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Quote:
Originally Posted by hawkjr1 View Post
Quote:
Originally Posted by lsturbointeg View Post
possible starter? at least on my other car's that what I hear when I start up but goes away.
Thanks for information which it did sound like the starter but after having someone start the car while I was outside next to the engine I found out the noise is coming from the Serpentine Belt Tensioner. It make a loud popping sound on start up. I'am thinking the spring inside is broken. Ordered one from ECS tuning today.
Same issue I had. Glad its an easy fix.
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