BMW 1-Series Forum (F20) 135i - 1Addicts.com - View Single Post - Video: M135i cabin engine sound is generated / boosted (Active Sound like M5)

donaldt · 12-31-2012, 09:21 PM

thanks for the video,
actually my car sounds more like yours unplugged...
how could I check if mine is not working?

12-31-2012, 09:21 PM	#11
donaldt Private Drives: M135i Join Date: Aug 2012 Location: Hong Kong Posts: 60 iTrader: (0)	thanks for the video, actually my car sounds more like yours unplugged... how could I check if mine is not working?