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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Navigation, iDrive, Audio, Video, Bluetooth, Phone, Coding Estimated time of arrival - Navigation Pro
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      08-17-2010, 04:54 PM   #1
LMOR
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Estimated time of arrival - Navigation Pro

Compared to my Garmin I used in my previous car, that gave a very good prediction of the estimated time of arrival, my new F10 Nav-Pro is way off. 30-40% more, and it is not very helpful. Has anyone similar problems, or a solution?
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      08-17-2010, 06:56 PM   #2
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yes

I also noticed this the first time I used the Nav. It seems to route the longest way possible no matter which setting you use. Also, it does not seem to route like my Tom Tom did.
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      08-17-2010, 08:47 PM   #3
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In my case, the route is the same, but the estimated time is 30-40% longer. When you drive, the estimate is updated, so so I "gain" time all the way. On the Garmin the estimate were more correct and stable. So it seems like it nav in the F10 have wrong information about driving time/speed limits or something else.
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      08-17-2010, 10:13 PM   #4
raleedy
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Don't it always come out even?
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      08-17-2010, 11:01 PM   #5
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yes

it probably comes out even, but you really don't know your expected arrival time. With my Tom Tom it was dead on w/in a few minutes of the original estimated arrival time. I tried a Navigon before and it was constantly changing the arrival time earlier and earlier, which isn't very helpful. The F10 Nav seems to do the same as the Navigon. I want my arrival time to be as accurate as possible before I start driving....I don't want it to keep changing as I'm driving.
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      08-18-2010, 08:58 AM   #6
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Quote:
Originally Posted by LMOR View Post
In my case, the route is the same, but the estimated time is 30-40% longer. When you drive, the estimate is updated, so so I "gain" time all the way.
Probably because it uses the LEGAL speed limit to estimate time!
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      08-18-2010, 09:28 AM   #7
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Quote:
Originally Posted by Bandman View Post
Probably because it uses the LEGAL speed limit to estimate time!
I wish this was true, but it is on speed limits. It says it takes 18 min to drive 10 km, with a speed limit of 70km/h most of the time. Due to traffic it takes 10-11min = 60km/h, but if you really should use 18min, you will be driving down to 30km/h making all other cars not very happy....

Driving 500km, that normally takes 6 hours, is estimated to 10,5 hour...
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      08-19-2010, 06:46 PM   #8
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Have to say it doesn't seem as accurate as my Tom Tom and doesn't have warnings when you're approaching speed cameras as the Tom Tom does. I haven't really gone in depth with it yet though, so there may be things that I need to set up properly, but in terms of some basic functionality it seems lacking (haven't seen an option to insert a postcode for example).

As said it did start with some very strange times compared to the Tom Tom, but it seems to be improving now. I also tried the dynamic routing feature as well but can't say it helped much. So when it offered me the same option a couple of days back I ignored it thinking I might be OK and ended being stuck for 40 mins...#

Bloody computers...
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      08-19-2010, 06:57 PM   #9
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Nissan/Infiniti navigation allows you to set speed for each type of road.

It was absolutely dead accurate regardless of where I went (and while I had XM NavTraffic, it was spooky how accurate it was when traffic was involved).

The BMW navigation system is way too complex and ultimately defeats its own purpose.
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      08-19-2010, 09:22 PM   #10
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Tom Tom is very accurate as well. I'm going run my Tom Tom next time I use the Nav and compare routes/times
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      08-20-2010, 10:13 AM   #11
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I think it bases estimated speed based on avarage speed for the last period. This is done for the different road types. So if your in a traffic jam one day it might estimate to low speed the next.
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      08-20-2010, 10:24 AM   #12
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Quote:
Originally Posted by eripers View Post
I think it bases estimated speed based on avarage speed for the last period. This is done for the different road types. So if your in a traffic jam one day it might estimate to low speed the next.
I dont think so. I have deleted all avarages, and driven fast over some time, to see if there is a slight effect. No change. I have also tried a the previous 5 series with the newest navigation. It gives exactly the same estimate, an there is no way these 2 cars have the same "experience" from the last period.
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      08-20-2010, 10:31 AM   #13
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Garmin learns to adjusts ETA according to your driving style. As I always drive fast I always get ETA's that are a little challenging to meet.

Of course it's spot on in the end as the calculation is dynamic, but I can almost never shave off more than 5-10 minutes even on long drives.
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