Thread: M550iX factory exhaust valve function when in Sport or Sport Plus mode
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      10-14-2021, 03:41 PM   #3
Jeffaz86
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Drives: BMW 535i
Join Date: Feb 2019
Location: Arizona

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If you don't mind, let me know what you find out about this. I just switched from an '18 to '22 and the new one is significantly quieter. I'm trying to find a solution as well besides replacing the exhaust.
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