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X5plug-in · 02-14-2011, 02:21 PM

Stop / start is reportedly worth 3 to 7% depending on road type. In theory it pays to switch the engine off if the stop is more than 4 seconds. And the longer the stop, the better (unless you are running late!).

02-14-2011, 02:21 PM	#7
X5plug-in Lieutenant 73 Rep 532 Posts Drives: BMW Join Date: Jan 2011 Location: UK iTrader: (0)	Stop / start is reportedly worth 3 to 7% depending on road type. In theory it pays to switch the engine off if the stop is more than 4 seconds. And the longer the stop, the better (unless you are running late!).
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