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2010 2011 BMW 5 Series Forum F10 car developed a swosh/flowing sound from the rear, what could be wrong? |
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08-12-2012, 08:41 PM | #1 |
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car developed a swosh/flowing sound from the rear, what could be wrong?
Car has about 1500miles. Start this swosh/humming/flowing noise at about 500miles. It does it on and off. Some times it is dead quiet, sometimes the noise comes.
The best I can describe the sound is as if some liquid is flowing inside a tube/pipe. Kinda like a soft WHO WHO WHO. It is really irritating. What could be wrong? It has the n20 engine. |
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