The best feature of my 2020 M550 over my 2018 550 is that now you can set the exhaust flaps to be open all the time. Just go to the menu (engine sound), and select what exhaust mode you desire and it stays that way all the time, without having to remove a fuse!
Last edited by Rotherd31; 01-17-2020 at 12:16 PM..
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