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BMW Coding and Programming
Discuss coding options and features on your BMW here.

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  #1  
Old 11-27-2012, 10:09 AM
ahmadr ahmadr is offline
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RE-coding no-dazzle high-beam assistance?

On the US market, when you order 5AC Automatic high beams, you also get the following:

5AP Decoding for no-dazzle high-beam assistance

From what I understand, this is to DISABLE the no-dazzle high beam assistance feature, described as:

"Included in the equipment package for the first time is an anti-dazzle High-Beam Assistant, which allows high beam to remain engaged even when there is oncoming traffic. A cover applied across the headlights as and when required eliminates the danger of dazzling approaching vehicles."


So, any ideas on how to enable this via coding?

In FEM_BODY, under LaMaster1, I see a couple of related entries. However, when I changed the binary values (werte) and code, it didn't work (but the car showed error messages regarding blind spot and adaptive headlights).

Any of these entries make sense? I assumed C_HBA_ENA does not apply to the F30, but C_HBA_GRHB_ENA and/or C_HBA_ADAPT_SHUT_ENA should do the trick.


I later noticed that it had reverted to the original settings. The car even forgot my previous changes (windows up, folding mirrors with keyfob, etc.). I don't know whether this is related to an out of memory error e-sys gave a couple of times (restarted e-sys every time). I tried the whole thing again to no avail.
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Last edited by ahmadr; 11-27-2012 at 10:17 AM.
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  #2  
Old 11-27-2012, 11:10 AM
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Unfortunately US cars do not have this feature. You could potentially retrofit it if you brought over ECE headlamps, but I'm not aware of it being compatible (yet) with the US DOT headlamp beam pattern.

Essentially the car "tracks" an oncoming light source and uses a built-in shutter in the headlamp housing to adjust the light output and "dip" the lights. Your highbeams remain ON, but the pattern changes to not dazzle oncoming traffic.

Here's a video from Bimmerpost:
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  #3  
Old 11-27-2012, 01:08 PM
ahmadr ahmadr is offline
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Are you sure? The BMW system is very simple compared to Mercedes / VAG, just changing the height of the cutoff, afaik. In other words, all it needs is the high/low beam shutter mechanism to be variable instead of on/off.

I'd be surprised if they have two separate housing designs when it is so simple.

You are right on the DOT issue though. From what I heard, BMW didn't go through DOT compliance, and simply disabled the feature altogether for the US market.

Last edited by ahmadr; 11-27-2012 at 01:15 PM.
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  #4  
Old 11-27-2012, 01:41 PM
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I have run ECE headlights on all my cars. While you'd think the housing would be the same more often than not it isn't. It's been this way with Audi, VW, BMW, etc.

There's always some difference.
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  #5  
Old 11-27-2012, 09:02 PM
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So just FYI... European F30:

For vehicles with
Xenon Light S522A=Yes
Adaptive Headlights S524A=Yes

Bi-xenon headlight AKL, left 63117338701
Bi-xenon headlight AKL, right 63117338702

For vehicles with
Xenon Light S522A=Yes
Adaptive Headlights S524A=No

Bi-xenon headlight, left 63117314531
Bi-xenon headlight, right 63117314532

Different part numbers.
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  #6  
Old 11-27-2012, 09:31 PM
ahmadr ahmadr is offline
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Point taken. Thanks.

The reason I still feel there is a chance it's a coding only issue is the "5AP Decoding for no-dazzle high-beam assistance" option in the car build.

If it was a hardware issue, why add that to the list of options on the car? We don't get, for example, "bumper reflectors", "rear red turn signal", and "rear fog light delete" in the option list
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  #7  
Old 11-27-2012, 11:05 PM
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I did find part numbers (apparently for the US market) for both bi-xenon and bi-xenon adaptive lights. So perhaps it's coming? I don't know.

BMW option codes are interesting. There are "top level" option codes that automatically assign components during build. Some option codes are not used, deprecated, or reserved. (5AP in the US market might be one of those - the M6 Coupe/Convertible have this code, as does the F01 LCI.) So while the option exists, there's another companion option code required. (On my car, 522 is Xenon headlamps. You'd need 523 or something, but 523 isn't valid for your model code - see below.)

But as for the market-specific items, this is all contained within the model code. For example, my car is FV93. But in EU it's FV91. FV93 automatically adds the appropriate components for NA cars during build, like reflectors, etc.
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  #8  
Old 11-27-2012, 11:07 PM
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Oh - btw - if you can, post the part numbers for your headlights (if it's accessible). I can tell you immediately whether it's coding or not.
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  #9  
Old 11-30-2012, 11:35 AM
ahmadr ahmadr is offline
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Quote:
Originally Posted by wdimagineer View Post
Oh - btw - if you can, post the part numbers for your headlights (if it's accessible). I can tell you immediately whether it's coding or not.
Sorry this took so long...

Left: 63.11-7 259 553
Right: 63.11-7 259 554

Thanks

Last edited by ahmadr; 11-30-2012 at 11:37 AM.
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  #10  
Old 11-30-2012, 04:41 PM
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I'm trying to find the bundle those part numbers are part of. I'll get back to you.
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  #11  
Old 12-02-2012, 12:03 AM
ahmadr ahmadr is offline
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Today I played around (again) with the HBA settings under 3073 LaMaster1 and the HBA speed settings under 3074 LaMaster2 of FEM_BODY.

I can confirm, without any doubt, that with the current settings I have, under auto high beam mode, the car sometimes uses something in between the high and low beam settings. The high beam indicator remains on when in the medium-beam setting(s?). Yes, this is what the No-Dazzle High Beam Assist is supposed to be. And no, I don't know how many steps / zones does the system have between full high and full low beam.

Unfortunately however, I am pretty sure that the car is sometimes using a too aggressive beam, making the whole system unsafe to use. I'm not sure whether this is due to the speed settings I changed, other settings that need to be changed, or hardware limitations of the US model (e.g. camera, camera calibration, headlight hardware).

P.S. My original goal for changing the speed settings was to reduce the minimum speed for the auto high beam to function.

Anyone with a European model care to share their HBA settings, please?

Last edited by ahmadr; 12-02-2012 at 12:05 AM.
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  #12  
Old 12-07-2012, 04:39 AM
mrbombastic mrbombastic is offline
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Can someone tell me what VO is needed for high beam assist in the F10, is this just coding, or you need hardware ?. Thanks.

Last edited by mrbombastic; 12-07-2012 at 04:40 AM.
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  #13  
Old 12-07-2012, 07:16 AM
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Quote:
Originally Posted by mrbombastic View Post
Can someone tell me what VO is needed for high beam assist in the F10, is this just coding, or you need hardware ?. Thanks.
It is hardware too. You need the KAFAS camera which can support HBA, LDW, and SLI, and I think now their exists a new HBA only camera on some models.
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  #14  
Old 07-03-2013, 02:05 PM
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Quote:
Originally Posted by ahmadr View Post
Today I played around (again) with the HBA settings under 3073 LaMaster1 and the HBA speed settings under 3074 LaMaster2 of FEM_BODY.

I can confirm, without any doubt, that with the current settings I have, under auto high beam mode, the car sometimes uses something in between the high and low beam settings. The high beam indicator remains on when in the medium-beam setting(s?). Yes, this is what the No-Dazzle High Beam Assist is supposed to be. And no, I don't know how many steps / zones does the system have between full high and full low beam.

Unfortunately however, I am pretty sure that the car is sometimes using a too aggressive beam, making the whole system unsafe to use. I'm not sure whether this is due to the speed settings I changed, other settings that need to be changed, or hardware limitations of the US model (e.g. camera, camera calibration, headlight hardware).

P.S. My original goal for changing the speed settings was to reduce the minimum speed for the auto high beam to function.

Anyone with a European model care to share their HBA settings, please?
I took 5AP off my VO and recoded FEM_body and it gave me horizontal glare free high beam (GFHB). I enabled the vertical setting and the shutter setting too and it has everything working

It is pretty cool on a dark two lane road. It is too touchy in my opinion on the highway. It has to swap back and forth too often.
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  #15  
Old 07-08-2013, 12:35 PM
deb10042 deb10042 is offline
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Will these options and settings also apply to a European F20 with HBA?
And is there a chance to adjust the basic sensitivity for automatic switching off of the high beams?

Thanks!
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  #16  
Old 07-09-2013, 07:33 AM
eyeatl eyeatl is offline
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Has anyone tried this with LED adaptive headlights?
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  #17  
Old 07-09-2013, 06:38 PM
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Has anyone tried this with LED adaptive headlights?
Not that I have heard, but for AHB to work, it should not matter if the car as Xenon AHL's or LED AHL's.
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  #18  
Old 07-12-2013, 02:30 PM
reidpath reidpath is offline
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Originally Posted by deb10042 View Post
Will these options and settings also apply to a European F20 with HBA?
And is there a chance to adjust the basic sensitivity for automatic switching off of the high beams?

Thanks!
I haven't messed with any of the fine tune settings yet. There are a number of variables that can be adjusted. Obviously it is optimized for euro roads and traffic control patterns. I suspect some fine tuning may give us the best results in the US.
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  #19  
Old 07-13-2013, 06:10 AM
eyeatl eyeatl is offline
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Originally Posted by shawnsheridan View Post
Not that I have heard, but for AHB to work, it should not matter if the car as Xenon AHL's or LED AHL's.
The LED system does not use a shutter for high beams. It just lights a different set of LEDs. The coding might be different for Xenon versus LED.
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  #20  
Old 09-08-2013, 07:11 PM
MWPos MWPos is offline
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I was doing some research on this topic and came across the attached data from BMW. It's actually very informative and answers most of our questions.
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File Type: pdf 04_F01-F02 LCI Driver Assistance Systems.pdf (651.9 KB, 310 views)
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  #21  
Old 10-30-2013, 05:02 AM
dhirm5 dhirm5 is offline
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What's the verdict here -- I have a '14 with adaptive led lights - can coding be used to turn on the no-dazzle high beam assist?
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Old 10-30-2013, 05:29 AM
deb10042 deb10042 is offline
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Quote:
Originally Posted by MWPos View Post
I was doing some research on this topic and came across the attached data from BMW. It's actually very informative and answers most of our questions.
That's a very interesting finding - thanks!
Where did you get thus documentation from?
Will your source also be able to provide such documentation for the F20 assistance systems?
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  #23  
Old 10-30-2013, 08:16 AM
MWPos MWPos is offline
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RE-coding no-dazzle high-beam assistance?

I got the PDF file from BMW's web site. I followed a link to the document from Google by searching for "BMW driver assistance".


Sent from BimmerApp mobile app

Last edited by MWPos; 10-30-2013 at 08:20 AM.
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  #24  
Old 12-20-2013, 01:20 PM
joder joder is offline
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Originally Posted by dhirm5 View Post
What's the verdict here -- I have a '14 with adaptive led lights - can coding be used to turn on the no-dazzle high beam assist?
I'm curious about this too... I am guessing no at this point as I would imagine that there is a need for some custom code to get this working right.
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  #25  
Old 12-28-2013, 12:19 AM
iansanderson iansanderson is offline
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I just removed 5AP and 8S4 from my '14 (08/13) build F30 with High Beam assistant and checked the coding in the FLA module and everything was changed to ECE from US. I also encoded FEM Body with the updated VO. I do not have KAFAS but did order the HBA stand-alone option so I have a camera below my rear view mirror.

Took the car on a test-drive with the automatic high beams on and WOW.. the function is really freaking cool. It would appear that my xenon headlamps with adaptive have all of the necessary equipment to allow the euro high beam assistant function to work as intended. The lights spread on horizontal and vertical axes. If you are not paying attention, the road stays very illuminated. If you are concentrating on the beams, you see them moving around objects and actively illuminating the road. I wouldn't call the euro coding aggressive as another poster mentioned, but rather precise. It keeps the road very illuminated but cuts the high beams at the exact moment the other vehicle passes avoiding glaring the oncoming driver. You can notice the headlamps dynamically moving around other vehicles that are in front of you or passing too giving more visibility to other parts of the road. The whole drive I wasn't flashed by an oncoming driver which is a good sign.

I am definitely leaving this coding intact.

In the video, it's difficult to see it in action. Pay attention to the right side of the road when a vehicle approaches. At 2:26 you can see the left beam dip at the precise moment an oncoming vehicle passed mine, avoiding glaring the driver. In US mode, the automatic high beams would have been off immediately upon the camera seeing an oncoming vehicle approaching.


Last edited by iansanderson; 01-10-2014 at 08:51 AM.
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