The 7th generation 3-series features a controlled exhaust valve to open and close to minimize noise. It does open or close upon the motor's needs.
The car in this video is a 2020 330i, mineral white, black interior with premium package. The same valve can be found in the M340i and 330e.
If this helped you, buying me a coffee or three would be great! ☕️
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BMW Open/Close Exhaust Valve
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