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oneintheory · 08-25-2009, 10:05 PM

the speedo reads high, but the ECU knows the actual speed of the car, and the ECU controls the odometer, resulting in accurate mileage. You also get accurate MPG data in spite of the speedo.

08-25-2009, 10:05 PM	#5
oneintheory no longer a BMW owner 152 Rep 1,463 Posts Drives: 2011 Ford Edge Sport Join Date: Jan 2009 Location: Suffolk/Chesapeake, VA iTrader: (0)	the speedo reads high, but the ECU knows the actual speed of the car, and the ECU controls the odometer, resulting in accurate mileage. You also get accurate MPG data in spite of the speedo.
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