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      01-26-2014, 06:17 PM   #118
Spy021
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Drives: 07 328i Jet Blk/Blk/6mt
Join Date: Dec 2010
Location: Lakeland, FL

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2007 BMW 328i  [0.00]
Quote:
Originally Posted by xcyx View Post
What do you look for to know that you have to replace all of these? does it strt making noise or something?
I can't speak for everyone, but for me I noticed the serpentine belt was riding off the roller about a 1/4 inch. From what I'm told the tensioner somehow warped? Anyhow, I replaced that and since I already had it apart I went ahead and changed the idler pulley as well since it wasn't too expensive and sitting right there.
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