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      05-12-2021, 04:22 PM   #14
HarryTee
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Drives: 2020 M4CP & 2017 440i GC
Join Date: Jan 2020
Location: UK

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Quote:
Originally Posted by EricP3 View Post
Nope, unplugging the flaps takes a few minutes and can be reversed by just plugging them back in.
I've got no experience in this so excuse me if my question sounds newbie: with the flaps unplugged, how does the exhaust sound in efficient mode? loud, same as in sport & sport + ?
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