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      09-19-2018, 03:52 PM   #3
malgyver
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Drives: 2008 335i Sedan
Join Date: Feb 2015
Location: SF Bay Area, California

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I jacked it up and got under it.

Its sounded like the PS Pulley, because it WAS the PS Pulley. One missing bolt and one loose. I guess a moot post. Moderators can delete I suppose.

When I visualized the top of the pulley, the runout looked about 1/16", so I didn't suspect it. The tensioner also had the slightest amount of movement, but not what I would have expected from that volume of knock..
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