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Sheharyar_rr · 01-29-2016, 10:53 PM

Its completely normal. After the engine warms up, you can put it in sport mode and hear the exhaust flap open up

01-29-2016, 10:53 PM	#3
Sheharyar_rr First Lieutenant 237 Rep 312 Posts Drives: 14' 335xi M-Sport Join Date: Aug 2012 Location: Ontario iTrader: (0)	Its completely normal. After the engine warms up, you can put it in sport mode and hear the exhaust flap open up
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