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BMW 3-Series (E90 E92) Forum
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Stock exhaust sound at low speeds?
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| 05-07-2013, 07:33 AM | #1 |
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Private
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Rep 66
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Stock exhaust sound at low speeds?
After lift off I get a really nice "metallic" sound/drone which however goes away almost instantly when speed increases. What causes the sound and why does it disappear?
 The sound is significantly louder than the normal exhaust sound -> would be nice to hear it more!  |
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