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I'd like some clarification. On the M340, when you select sport(+), I can hear the valve open. Am I understanding that the valve closes at some point, and re-opens at another point?
Does it really open sometimes, but less frequently in comfort?
Does anyone actually have any proof of this?
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CURRENT: 2020 G20 M340 xDrive — Carbahn Tune
RETIRED: 2011 E90 335i xDrive — Cobb AP3, PE Exhaust, Alpina TCU Flash, VRSF Charge Pipe
2017 Estoril Blue X1 M Sport — JB4
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