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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Stock exhaust sound at low speeds?



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      05-07-2013, 07:33 AM   #1
Kannu
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Drives: E92 335i M Sport
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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!
Appreciate 0
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