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forteatwo · 02-05-2016, 02:34 PM

The turbo whistles a little as it spools up. You can also hear it spool down after you shut the engine off.

02-05-2016, 02:34 PM	#2
forteatwo Private 6 Rep 65 Posts Drives: 2014 X1 S-Drive Join Date: May 2013 Location: Wisconsin iTrader: (0)	The turbo whistles a little as it spools up. You can also hear it spool down after you shut the engine off.
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