Question about digital gas reading.

yoitsbry · 10-31-2009, 11:42 PM

for example when the miles left say 400 or whatever is the car stating that 400miles are left of highway miles or city miles? The reason i ask is because it will say 400miles left and ill drive like 40 city miles and its all the way down to 300miles. Please let me know, thanks in advance.

VTECaddict · 10-31-2009, 11:52 PM

It varies depending on your driving and average MPG.

bknight · 11-01-2009, 12:05 AM

Quote:

Originally Posted by VTECaddict

It varies depending on your driving and average MPG.

right. what you see on the screen is based on how you're driving at the time, so the mileage will decrease rapidly if you're doing stop/start in traffic or driving hard, and increase if you're doing a steady 55 on an interstate.

yoitsbry · 11-01-2009, 12:08 AM

makes sense... i havent driven highway miles since i got the car so havent seen it jump up at all..... only down lol.

JayKay335i · 11-01-2009, 01:32 AM

...and the screens just for fun. You should be staring at your gas gauge and maybe the average MPG.

sokdo · 11-01-2009, 01:01 AM

yea don't trust the gauge at all because most times, my miles left actually increases by 40 miles whenever I drive on the freeway. My car magically puts in more gas into my car the more I drive it

Sometimes when I fill up, it will read 450, and sometimes it will read 365. If anything, I'd trust the needle gauge since that's way more accurate.

VTECaddict · 11-01-2009, 01:11 AM

It's not a measure of how much gas is left in the tank. It's an estimate of how many miles you can expect to be able to drive with the remaining amount gas, according to your current driving style.

It's like your laptop battery being at 50%, and it shows you have 1 and a half hours left when you're watching a video and then 2 hours left if you stop watching the video only browse the web. Your laptop didn't suddenly become more charged. It's just that the amount of time that 50% battery will last you will vary depending on how you use it.

clintonbmw9 · 11-01-2009, 01:22 AM

dude if you like on hte hiway and your driving to stl or something its amazing mpg

ENINTY · 11-01-2009, 06:14 AM

The miles left is a calculation based on the average MPG the car is running for tha past 18 miles. In other words, it updates the miles remaining estimate every 18 miles. As the mile remaining counts down, it triggers a low gas warning at 51 miles then again at 31 miles. Once you're down at 31 miles remaining it's pretty accurate.

cali311soca · 11-01-2009, 09:45 PM

As people already said. It adjusts to the driving conditions. If you drive through a long neighborhood staying in lets say 2nd gear doing 25mph, you'll see it drop. But when you get on the highway, you'll add more mileage. Damn Germans think of it all.

martyp · 11-02-2009, 01:28 PM

Quote:

Originally Posted by VTECaddict

It's not a measure of how much gas is left in the tank. It's an estimate of how many miles you can expect to be able to drive with the remaining amount gas, according to your current driving style.

It's like your laptop battery being at 50%, and it shows you have 1 and a half hours left when you're watching a video and then 2 hours left if you stop watching the video only browse the web. Your laptop didn't suddenly become more charged. It's just that the amount of time that 50% battery will last you will vary depending on how you use it.

Our cars should have the capability of predicting the future, that would make the number in the little screen accurate.

10-31-2009, 11:42 PM	#1
yoitsbry Private 7 Rep 63 Posts Drives: E90 black on black Join Date: Oct 2009 Location: Atlanta iTrader: (1)	Question about digital gas reading. for example when the miles left say 400 or whatever is the car stating that 400miles are left of highway miles or city miles? The reason i ask is because it will say 400miles left and ill drive like 40 city miles and its all the way down to 300miles. Please let me know, thanks in advance.
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10-31-2009, 11:52 PM	#2
VTECaddict Where'd my VTEC go? 481 Rep 6,067 Posts Drives: 06 330i 6MT Join Date: Mar 2009 Location: Seattle, WA iTrader: (4)	It varies depending on your driving and average MPG. __________________ AW/Terra \| ZSP \| ZPP \| ZCW \| iDrive \| CA Mods: BC BR coilovers \| Blacklines \| M-tech rear \| dual exhaust \| M3 steering wheel \| BMW SSK \| ZHP shift knob \| High-kick CF spoiler \| NBT Retrofit M3 front control arms \| M3 rear guide rods \| Manzo rear toe and camber links \| Monroe rear shock mounts \| Varrstoen ES1 19x9.5+20 Front, 19x11+25 rear
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11-01-2009, 12:08 AM	#4
yoitsbry Private 7 Rep 63 Posts Drives: E90 black on black Join Date: Oct 2009 Location: Atlanta iTrader: (1)	makes sense... i havent driven highway miles since i got the car so havent seen it jump up at all..... only down lol.
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11-01-2009, 01:32 AM	#5
JayKay335i Banned 191 Rep 5,046 Posts Drives: ///M323 DCT Join Date: Apr 2009 Location: North Dakota; its best DUHHHHHH iTrader: (1)	...and the screens just for fun. You should be staring at your gas gauge and maybe the average MPG.
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11-01-2009, 01:01 AM	#6
sokdo Lieutenant 50 Rep 582 Posts Drives: 335i E92 Join Date: Jul 2009 Location: Fullerton, CA iTrader: (0)	yea don't trust the gauge at all because most times, my miles left actually increases by 40 miles whenever I drive on the freeway. My car magically puts in more gas into my car the more I drive it Sometimes when I fill up, it will read 450, and sometimes it will read 365. If anything, I'd trust the needle gauge since that's way more accurate.
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11-01-2009, 01:11 AM	#7
VTECaddict Where'd my VTEC go? 481 Rep 6,067 Posts Drives: 06 330i 6MT Join Date: Mar 2009 Location: Seattle, WA iTrader: (4)	It's not a measure of how much gas is left in the tank. It's an estimate of how many miles you can expect to be able to drive with the remaining amount gas, according to your current driving style. It's like your laptop battery being at 50%, and it shows you have 1 and a half hours left when you're watching a video and then 2 hours left if you stop watching the video only browse the web. Your laptop didn't suddenly become more charged. It's just that the amount of time that 50% battery will last you will vary depending on how you use it. __________________ AW/Terra \| ZSP \| ZPP \| ZCW \| iDrive \| CA Mods: BC BR coilovers \| Blacklines \| M-tech rear \| dual exhaust \| M3 steering wheel \| BMW SSK \| ZHP shift knob \| High-kick CF spoiler \| NBT Retrofit M3 front control arms \| M3 rear guide rods \| Manzo rear toe and camber links \| Monroe rear shock mounts \| Varrstoen ES1 19x9.5+20 Front, 19x11+25 rear
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11-01-2009, 01:22 AM	#8
clintonbmw9 Banned 1 Rep 21 Posts Drives: 2006 325i sedan Join Date: Sep 2009 Location: usa iTrader: (0)	dude if you like on hte hiway and your driving to stl or something its amazing mpg
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11-01-2009, 06:14 AM	#9
ENINTY Banned 173 Rep 3,415 Posts Drives: 2006 325i Sport Join Date: Jun 2006 Location: Virginia iTrader: (0)	The miles left is a calculation based on the average MPG the car is running for tha past 18 miles. In other words, it updates the miles remaining estimate every 18 miles. As the mile remaining counts down, it triggers a low gas warning at 51 miles then again at 31 miles. Once you're down at 31 miles remaining it's pretty accurate.
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11-01-2009, 09:45 PM	#10
cali311soca Puttin the O in O face 0 Rep 18 Posts Drives: 2006 325i 4dr 6 speed Join Date: Oct 2009 Location: Cherry Point, NC iTrader: (0)	As people already said. It adjusts to the driving conditions. If you drive through a long neighborhood staying in lets say 2nd gear doing 25mph, you'll see it drop. But when you get on the highway, you'll add more mileage. Damn Germans think of it all.
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