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      05-04-2017, 05:50 PM   #15
dbbude
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Drives: 2018 M550i
Join Date: Apr 2017
Location: Mid South

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540 Sport Mode

I test drove a 540 with the MSport Package. It was remarkably quiet in all modes. It was "sneaky fast" as it was smooth enough to get to 80+ mph without really noticing.
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