Difference btwn "fast route" & "efficient route" - XBimmers

mistermagoo · 12-31-2011, 09:49 AM

I read the owners manual description, but I still don't get the difference between the two preferences in Nav. Anyone know if there's a big difference between the two?

Thanks again.

April1 · 12-31-2011, 12:25 PM

Fastest route may not be the absolute shortest route. Fastest route picks up shortest route with minimum signals, preferably using free ways. Efficient route uses freeways but doesnot care for the signals and thus might go for internal roads too.

Try yourself and see the difference in miles from one poit to another destination using different codices.

sfax · 12-31-2011, 02:25 PM

Surely efficiency is based on choosing any route where you can drive at the most efficient speed for fuel economy, i.e. not too fast (freeways/motorways) and not too slow (inner city traffic). Quickest will often be longer than shortest and most efficient will sit somewhere between the two.

12-31-2011, 09:49 AM	#1
mistermagoo Enlisted Member Drives: 2012 X3 xDrive35i Join Date: Nov 2011 Location: New York, NY Posts: 31 iTrader: (0)	Difference btwn "fast route" & "efficient route" I read the owners manual description, but I still don't get the difference between the two preferences in Nav. Anyone know if there's a big difference between the two? Thanks again.
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12-31-2011, 02:25 PM	#3
sfax Brigadier General Drives: BMW X3 2011 F25 Join Date: Nov 2010 Location: Berkshire, UK Posts: 3,791 iTrader: (0)	Surely efficiency is based on choosing any route where you can drive at the most efficient speed for fuel economy, i.e. not too fast (freeways/motorways) and not too slow (inner city traffic). Quickest will often be longer than shortest and most efficient will sit somewhere between the two. __________________ BMW X3 (F25) xDrive20d SE . . titanium silver . . titanium front grille . . 309s . . xline . . xenons . . black leather . . alu trim . . professional multimedia package . . dynamic package . . climate package . . electric seats . . folding mirrors . . servotronic steering . . DAB radio . . business speakers . . sun protection glass . . split rear seats . .

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12-31-2011, 12:25 PM	#2
April1 Love All Drives: X3 28i 2011 Join Date: Nov 2011 Location: San Francisco Posts: 735 iTrader: (1)	Fastest route may not be the absolute shortest route. Fastest route picks up shortest route with minimum signals, preferably using free ways. Efficient route uses freeways but doesnot care for the signals and thus might go for internal roads too. Try yourself and see the difference in miles from one poit to another destination using different codices.