I was at dealership other day and on cold start-up it did sound like that but no different than my f15 35i with mppk. The driver had car idling for about 10 min and it was quiet. But it’s the driving sound everyone is curious to know about.
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2018 540ix msport
2015 X5 msport
2013 750ix msport
2011 550ix msport
2009 e92 335i msport
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