Nav System - Can it be adjusted?
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Originally Posted by hinckley' post='519019' date='Jan 17 2008, 12:15 AM
wow - that was scarey fast!! - and yes.
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Originally Posted by hinckley' post='519015' date='Jan 16 2008, 09:11 PM
Driving along one road with another nearby parallel road and the nav system tells me I'm on the other road (until they diverge and nav figures it out).
Cal
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The US increased the accurancy of navigation satellites last fall to tighter tolerances. This had no effect on my Nav system. I called my service advisor. They will investigate my concern and possibly do software upgrade. If they do not fix it, I am going to request that the rotating BMW service engineer meet me and look at it. I am also going to start a log to see how much and how often is off by more than 50 feet. At intersection the distnce is to the center of the intersection.
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Originally Posted by calpalmer' post='519111' date='Jan 17 2008, 08:35 AM
For what it's worth, our Nuvi 660 isn't more accurate than described in this thread, certainly 50' plus or minus is about where it's at. Our road out to the highway involves this kind of parallel divergence, and the Nuvi always has us on the parallel road for a good stretch after the "V". I'm not sure what accuracy spec the BMW Nav claims, but I know Garmin's claims can be a little accentuated compared to actual practice.
Cal
Cal
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Originally Posted by pharding' post='519114' date='Jan 17 2008, 08:50 AM
The US increased the accurancy of navigation satellites last fall to tighter tolerances. This had no effect on my Nav system. I called my service advisor. They will investigate my concern and possibly do software upgrade. If they do not fix it, I am going to request that the rotating BMW service engineer meet me and look at it. I am also going to start a log to see how much and how often is off by more than 50 feet. At intersection the distnce is to the center of the intersection.
One thing that I've thought about is that I seem to remember the 04 nav moving from 50 to 40 to 30 to 20 to 10 feet. My 08 goes from 100 to 50 to 0. If I'm right about that, it may explain why when stopped on a stop line, the nav system still shows the intersection as 50 feet away. But, I'll tell you, I'm often at that stop line with the nav system showing the intersection as 100 feet away. And unless you're crossing a six lane highway, 100 feet is a long way away. It's frustrating - I've been at multi-point intersections where I've picked te wrong turn more than once.
Can anyone out there comment on whether the older nav cars/software calibrated in 10 feet rather than 50 feet increments?
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[quote name='hinckley' date='Jan 17 2008, 12:11 AM' post='519015'
Generally, it appears that my nav system is 50 - 100 feet off from where I actually am. I think that others who have complained of their nav systems being "late" or "slow" are experiencing the same thing (it takes 50 - 100 feet for nav to figure where you really are, or were).
[/quote]
Had the same problem on MY 2005 530i and my dealer JMK corrected it through a software upgrade.
Good luck
cheers
vern
Generally, it appears that my nav system is 50 - 100 feet off from where I actually am. I think that others who have complained of their nav systems being "late" or "slow" are experiencing the same thing (it takes 50 - 100 feet for nav to figure where you really are, or were).
[/quote]
Had the same problem on MY 2005 530i and my dealer JMK corrected it through a software upgrade.
Good luck
cheers
vern
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Originally Posted by vern' post='519178' date='Jan 17 2008, 12:01 PM
Had the same problem on MY 2005 530i and my dealer JMK corrected it through a software upgrade.
Good luck
cheers
vern
Good luck
cheers
vern
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I'll take my car in next week to address this problem and I will keep everyone posted.