popping noise under hard acceleration

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popping noise under hard acceleration

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11-09-2012, 07:31 PM

induc916

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Location: indy

Join Date: Jul 2012

Posts: 42

Mein Auto: 650i

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popping noise under hard acceleration

Just like the title says its weird its like a subwoofer is popping or something when I floor it from say 30-120 or so. its a weird sound like a vac um just closed and ready for take off or something. but its a sub popping does that make sense?

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popping noise under hard acceleration

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