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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > DIY: Breake Force Display activation FRM2 03.2007-10.2008



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      03-19-2013, 06:31 AM   #1
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DIY: Brake Force Display activation FRM2 03.2007-10.2008

Hi guys,

If you are interested to have Break Force Display you should make these changes in your FRM module. Working with e90s pre-LCI between 03.2007-10.2008:

BFD_1_ALGORITHMUS
nicht_aktiv
BFD2_AKTIV
aktiv
BFD2_BFD
blinkend
BFD2_BL
blinkend
BFD2_BL_M
blinkend
BFD2_ESS_ANZEIGE
aktiv
BFD2_ESS_ENABLE
aktiv
BFD2_NSL
blinkend
BFD2_SL_BL_1
blinkend

Checked, works great.

Last edited by pweber84; 05-07-2013 at 09:24 AM.
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      03-19-2013, 08:15 PM   #2
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What's brake force display? Lol
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      03-19-2013, 09:09 PM   #3
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I think this is where when you brake hard more brake lights up, but isn't this standard on every e90, my 06 330i has it and has FRM1 module.
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      03-20-2013, 05:25 AM   #4
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When you break hard, you breaking lights are flashing.

This movie is not mine, but it looks like this:



You can activate this feature in every E9x.
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      05-06-2013, 06:14 PM   #5
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Do you know how to make only the 3rd brake light flash?
But this is either way. Thanks.
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      05-06-2013, 06:19 PM   #6
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Quote:
Originally Posted by ******84 View Post
When you break hard, you breaking lights are flashing.

This movie is not mine, but it looks like this:



You can activate this feature in every E9x.
I've seen this version on lexus cars, but I've never seen this on a BMW before.

normally the ones I've seen on BMWs or Mercedes is where the normal brake lamps light, but then the rear fog lamps light in addition so they're brighter.
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      05-06-2013, 09:15 PM   #7
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now make this work under normal breaking as well
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      05-07-2013, 06:28 AM   #8
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The word is spelled "BRAKE".

Simple.
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      05-08-2013, 05:23 PM   #9
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These codes didn't quite work for me. I copied them verbatim and coded to the FRM module. I have a 07/07 E92 328xi. You can see from the video that it looks like the rear fogs come on, but no flashing primary or third brake lights. And after the car comes to a stop, there's no flashing at all. I activated the ABS on that stop so I think I hit the right deceleration threshold.

I'll probably undo it unless someone could tell me if I've missed something.

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      05-11-2013, 12:59 PM   #10
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Anyone has any idea how to get this working on a FRM3?
It used to work when i got the car (when slamming the brakes from high speed, the hazard lights would come on), but now it doesn't work anymore and can't figure out why.

I reset the FRM3 to the default values but it did not help. BFD values appear active, but it just does not work as it used to.
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      05-12-2013, 02:45 PM   #11
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I can confirm that it does not work on FRM2.
Kenbrinkman, try activating the BFD1 as well and see.
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      10-22-2013, 10:17 AM   #12
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******84's video looks like its from Europe. I'm thinking the VO needs to be updated with 2 stage brake light option ($5AB). I'll give it a try, not sure how to test though, I don't have a giant mirror chasing me, lol
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      10-22-2013, 10:21 AM   #13
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You an try to amend the deceleration rate and see if that helps ....
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      10-22-2013, 10:25 AM   #14
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Come again?
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      10-22-2013, 12:22 PM   #15
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Quote:
Originally Posted by cuco View Post
******84's video looks like its from Europe. I'm thinking the VO needs to be updated with 2 stage brake light option ($5AB). I'll give it a try, not sure how to test though, I don't have a giant mirror chasing me, lol
Have you tried that $5AB. Description states that its
TWO STAGE STOP LAMP DISCONTINUED

And video was shot by me (sorry for the poor quality) and I know whose car is that
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      10-22-2013, 12:29 PM   #16
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I updated the VO with $5AB and coded the trc file per the DIY, I only have to test it now.
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      10-22-2013, 12:32 PM   #17
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Quote:
Originally Posted by kenbrinkman View Post
These codes didn't quite work for me. I copied them verbatim and coded to the FRM module. I have a 07/07 E92 328xi. You can see from the video that it looks like the rear fogs come on, but no flashing primary or third brake lights. And after the car comes to a stop, there's no flashing at all. I activated the ABS on that stop so I think I hit the right deceleration threshold.

I'll probably undo it unless someone could tell me if I've missed something.

How is this a fail? What happened is exactly what was supposed to happen. As I stated earlier in the thread.
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      10-22-2013, 12:37 PM   #18
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Quote:
Originally Posted by cuco View Post
I updated the VO with $5AB and coded the trc file per the DIY, I only have to test it now.
Not being thick, but why do you think that VO will work?
Just checked my mates M3 who has BFD and he has does not have this in his VO.
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      10-22-2013, 12:40 PM   #19
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I can't see clearly from your video but if your fog lights are coming on when you brake hard then the BFD is working cause the fog lights are the actual 2nd stage turning on when braking hard. Maybe the hazard effect needs to be activated on another command within the TRC file.
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      10-22-2013, 12:50 PM   #20
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Quote:
Originally Posted by makkan00 View Post
Not being thick, but why do you think that VO will work?
Just checked my mates M3 who has BFD and he has does not have this in his VO.
Just looking into that option. But it looks like it does work like DUIelite is stating. The BFD lights up the fog lights in addition to the normal brake lights when hard braking takes place. It looks like some guys are confusing the BFD with the blinking hazards effect.
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      10-22-2013, 01:02 PM   #21
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Quote:
Originally Posted by cuco View Post
Just looking into that option. But it looks like it does work like DUIelite is stating. The BFD lights up the fog lights in addition to the normal brake lights when hard braking takes place. It looks like some guys are confusing the BFD with the blinking hazards effect.
Great if you can crack it.
My question is, where does $5AB come from and what is the source that it works
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      10-22-2013, 01:08 PM   #22
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No one knows if it works but its listed in the VO code list (found the list from another member of the forum). I was just speculating that adding this option to the VO would allow US cars with FRM2 to have the blinker effect.
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