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      11-24-2012, 09:50 PM   #1
michaeldch
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Drives: 2007 335Xi
Join Date: Apr 2011
Location: Kenmore, WA

Posts: 31
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2007 335Xi post start 'chirping' noise

Hi:

This morning when I started my 335Xi, I heard this unusual 'chirping' sound coming (apparently) from the front right side of the engine.
I think it sounds like an accessory belt - perhaps a bad tensioner?
Can anyone shed light on what this is?



Car has 50k miles on it, mechanically perfect until now...

Thanks,
Michael
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2007 E90 335xi
Cobb AccessPort, BMW Performance Exhaust
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