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Does this sound normal?

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Old Jan 8, 2015 | 01:45 PM
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termzero's Avatar
termzero
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From: San Francisco
C300W
Does this sound normal?
I hear a fluttering noise after revving the engine. It only happens in the mornings when the engine is cold. After warm up, it goes away. Is this normal? Thanks for any input.

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Old Jan 8, 2015 | 01:48 PM
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vic viper
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S213
Its your recurculating boost pressure, nothing to worry about.
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Old Jan 8, 2015 | 01:51 PM
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termzero
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C300W
Originally Posted by vic viper
Its your recurculating boost pressure, nothing to worry about.
Thanks Vic for your quick reply. I am glad to hear all is ok
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Old Jan 8, 2015 | 02:29 PM
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coladin
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2014 C63 507, 2012 R350
It also sounds like my dad, when he is snoring!
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