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      02-02-2021, 04:05 PM   #23
xmanpro
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Lane change during assisted drive

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Originally Posted by redhot47fla View Post
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Originally Posted by xmanpro View Post
I think what I'll do is switch lanes on my own lol
Seems pretty retro.
Haha lol
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      02-02-2021, 04:25 PM   #24
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Quote:
Originally Posted by unfoundnemo View Post
Quote:
Originally Posted by BMWGirlFL View Post
My understanding is individual paint issue is sensor related. Need for paint specific safety testing/approval?
Makes sense, I mean, something like Vantablack is going to refract light very differently than something like Bieber's chrome wrap. You would think they could test some extremes, determine if the color is near a certain curve, automatically calculate the data, or come up with a QC test, etc. They probably know exactly what to do, but there's likely some sort of archaic hard data submission requirement.
I have frozen dark silver—yeah, no.
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      02-02-2021, 07:09 PM   #25
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Quote:
Originally Posted by unfoundnemo View Post
Makes sense, I mean, something like Vantablack is going to refract light very differently than something like Bieber's chrome wrap. You would think they could test some extremes, determine if the color is near a certain curve, automatically calculate the data, or come up with a QC test, etc. They probably know exactly what to do, but there's likely some sort of archaic hard data submission requirement.
My personal understanding stops at makes sense but I think you have the right idea. Translation from German post:
Quote:
The individual paints are not thicker - the layer thickness depends exclusively on the particular paint, not whether it is individual or series. Mineral white is / was, for example, always a little thicker because the homogeneity is worse with a thin coat of paint than with other paints (otherwise it looks cloudy).
The problem with the radar sensors is that the different paints reflect or scatter the radar waves differently. In the development phase, every paint is tested for it and sometimes also optimized, which is very time-consuming. That is why this is done for the series paints, but not for the abundance of custom paints. So it may well be that the SWA works without any problems - or there may be false / non-detections.
It will be even more extreme in the future with fully autonomous driving: Due to the even higher requirements, the radar sensors may only be located behind unpainted plastic ...
https://www.g20-forum.de/forum/threa...k-lane-assist/
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      02-02-2021, 09:56 PM   #26
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Quote:
Originally Posted by BMWGirlFL View Post
Quote:
Originally Posted by unfoundnemo View Post
Makes sense, I mean, something like Vantablack is going to refract light very differently than something like Bieber's chrome wrap. You would think they could test some extremes, determine if the color is near a certain curve, automatically calculate the data, or come up with a QC test, etc. They probably know exactly what to do, but there's likely some sort of archaic hard data submission requirement.
My personal understanding stops at makes sense but I think you have the right idea. Translation from German post:
Quote:
The individual paints are not thicker - the layer thickness depends exclusively on the particular paint, not whether it is individual or series. Mineral white is / was, for example, always a little thicker because the homogeneity is worse with a thin coat of paint than with other paints (otherwise it looks cloudy).
The problem with the radar sensors is that the different paints reflect or scatter the radar waves differently. In the development phase, every paint is tested for it and sometimes also optimized, which is very time-consuming. That is why this is done for the series paints, but not for the abundance of custom paints. So it may well be that the SWA works without any problems - or there may be false / non-detections.
It will be even more extreme in the future with fully autonomous driving: Due to the even higher requirements, the radar sensors may only be located behind unpainted plastic ...
https://www.g20-forum.de/forum/threa...k-lane-assist/
Thank you so much for this info!
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      02-02-2021, 10:27 PM   #27
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If it could be coded on I would give it a shot
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      02-02-2021, 11:12 PM   #28
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Thinking about this a little bit more today, I think for me - if there's a reason why BMW isn't confident in the implementation because of some possible sensor issue with regards to paint during lane change then I'm inclined to not chance it via coding.

Don't want to get into a situation where I can't trust the car and end up hurting another motorist. Not worth it in my opinion.
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      02-03-2021, 12:36 AM   #29
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Quote:
Originally Posted by xmanpro View Post
Thinking about this a little bit more today, I think for me - if there's a reason why BMW isn't confident in the implementation because of some possible sensor issue with regards to paint during lane change then I'm inclined to not chance it via coding.

Don't want to get into a situation where I can't trust the car and end up hurting another motorist. Not worth it in my opinion.
I respect your opinion and would agree with other automated driving features but the lane change assist us something you are monitoring the entire time. Really can't screw up too bad.
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      02-03-2021, 08:10 AM   #30
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Quote:
Originally Posted by Mgrae456 View Post
I respect your opinion and would agree with other automated driving features but the lane change assist us something you are monitoring the entire time. Really can't screw up too bad.
True, I don't have driving assist pro on my M8, and have only had it for about 5 weeks, but I certainly haven't encountered a situation yet that I had to worry about someone traveling at a higher rate of speed than me when I was changing lanes anyway.

Regardless of what OP chooses, at least he is starting to cover himself here for insurance purposes.
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      02-03-2021, 07:00 PM   #31
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My M8C with Individual Nardo Grey has the lane change assist that works exactly as it should...same as the wife's X7. So it obviously is activated in some colors.
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      02-03-2021, 10:03 PM   #32
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I have frozen black so maybe that's BMW's reasoning.
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      02-03-2021, 10:25 PM   #33
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Quote:
Originally Posted by BMWGirlFL View Post
My understanding is individual paint issue is sensor related. Need for paint specific safety testing/approval?
What!? This is totally insane. This technology isn't going to Mars, there is no way for its needs to be so sensitive. I am totally blown away.
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      02-03-2021, 10:40 PM   #34
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Quote:
Originally Posted by Mgrae456 View Post
I respect your opinion and would agree with other automated driving features but the lane change assist us something you are monitoring the entire time. Really can't screw up too bad.
Agreed as I've used the "autonomous" driving features on my M850i on a couple of road trips in which the car basically drove itself but I was 100% paying attention the entire time. When it came the lane changes it all worked flawlessly with one caveat, i.e., at 90 MPH some of the changes were too aggressive vs if I was controlling the wheel. Case-in-point is one of them woke up my sleeping wife in the passenger seat given the aggressiveness of the lane change. She asked me if I was "okay" as in querying if I was falling asleep, etc. My answer was "nope and the car is driving itself".
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      02-03-2021, 11:01 PM   #35
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Quote:
Originally Posted by chador View Post
What!? This is totally insane. This technology isn't going to Mars, there is no way for its needs to be so sensitive. I am totally blown away.
Welcome to the world of IoT and the decisions made within milliseconds to deliver an outcome from the data ingested. That said yes without a doubt reflective surfaces can impact the sensors ability to ingest the needed data to make a decision. In my past life I've been part of product teams that built IoT solutions for industrial manufacturing including offshore oil rigs. Reflective surfaces were not an issue but rather the overall environment at play with the oil rigs being the greatest challenge.
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      02-04-2021, 09:25 AM   #36
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Originally Posted by chador View Post
What!? This is totally insane. This technology isn't going to Mars, there is no way for its needs to be so sensitive. I am totally blown away.
I'm able to accept governmental regulation as safety related and necessary without understanding how the technology works. My mind has been blown by the specificity of the standards and type approval requirements for automonous features I've read.
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      02-04-2021, 11:13 PM   #37
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Quote:
Originally Posted by bloozemanAZ View Post
Welcome to the world of IoT and the decisions made within milliseconds to deliver an outcome from the data ingested. That said yes without a doubt reflective surfaces can impact the sensors ability to ingest the needed data to make a decision. In my past life I've been part of product teams that built IoT solutions for industrial manufacturing including offshore oil rigs. Reflective surfaces were not an issue but rather the overall environment at play with the oil rigs being the greatest challenge.
yea incredible really. remarkable technology requires some very specific measurement indeed.
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      02-17-2021, 05:17 AM   #38
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does anyone have a confirmed solution to code back in this lane change assistant? I have a G14 M850i that I need to activate it on. No unusual colours, nothing.
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      02-17-2021, 07:21 PM   #39
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Quote:
Originally Posted by swissperformancetuning View Post
does anyone have a confirmed solution to code back in this lane change assistant? I have a G14 M850i that I need to activate it on. No unusual colours, nothing.
Yeah r33_RGSport can do it.
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      04-08-2021, 03:41 AM   #40
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Really interesting that the physical characteristics of the paint affects the performance of sensors. I am thinking of wrapping my car, wonder if anyone has ever thought of the effect wrapping could have on assistance/autonomous systems... I mean then it's not just the colour, it's the reflection properties of the underlying material as well.

Has anyone here wrapped their car and all off a sudden become more "friendly" with other traffic?
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      04-08-2021, 11:52 AM   #41
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Quote:
Originally Posted by Andycam View Post
Really interesting that the physical characteristics of the paint affects the performance of sensors. I am thinking of wrapping my car, wonder if anyone has ever thought of the effect wrapping could have on assistance/autonomous systems... I mean then it's not just the colour, it's the reflection properties of the underlying material as well.

Has anyone here wrapped their car and all off a sudden become more "friendly" with other traffic?
Others have reported no issues with wraps. It's more a testing and regulation issue than a sensor issue. You're already agreeing to remain alert and in control at all times, so just heed to those warnings a bit more than others for a while and you should be good.
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      04-08-2021, 12:35 PM   #42
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Definitely a regulation thing. Found out we can code these back so I'm thinking of doing that.
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