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Bibendum · 02-04-2013, 05:19 PM

Have same thing. Was driving the other day on new asphalt with no radio and heard sound stop about a second after let off gas. Figured it was a pump of some sort disconnecting when I went into "coast" mode. Might also be the "efficient dynamics"?

02-04-2013, 05:19 PM	#5
Bibendum New Member Drives: 2013 M5 Join Date: Dec 2012 Location: Los Angeles, CA Posts: 20 iTrader: (0)	Have same thing. Was driving the other day on new asphalt with no radio and heard sound stop about a second after let off gas. Figured it was a pump of some sort disconnecting when I went into "coast" mode. Might also be the "efficient dynamics"?