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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > BMW Coding > Blinking Brake Force Display??



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      03-13-2011, 08:29 AM   #1
Toad335
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Blinking Brake Force Display??

I found this while looking throgh my NFRM. Very interesting. Looks like you can enable a second level (BFD2) of the brake force braking. With this you can enable blinking of various lights. Seems hard to test, but would be interesting to learn more about...
Code:
    BFD2_AKTIV                  
*       nicht_aktiv                 not active
        aktiv                       active
    BFD2_ESS_ENABLE             
*       nicht_aktiv                 not active
        aktiv                       active
    BFD2_ESS_ANZEIGE            
*       nicht_aktiv                 not active
        aktiv                       active
    BFD2_SL_BL_1                
*       nicht_aktiv                 not active
        dauer_an                    
        blinkend                    flashing
    BFD2_SL_BL_2                
*       nicht_aktiv                 not active
        dauer_an                    
        blinkend                    flashing
    BFD2_BFD                    
*       nicht_aktiv                 not active
        dauer_an                    
        blinkend                    flashing
    BFD2_BL_M                   
*       nicht_aktiv                 not active
        dauer_an                    
        blinkend                    flashing
    BFD2_NSL                    
*       nicht_aktiv                 not active
        dauer_an                    
        blinkend                    flashing
    BFD2_BL                     
*       nicht_aktiv                 not active
        dauer_an                    
        blinkend                    flashing
    BFD2_BLINKEN                
*       3_hz                        
        5_hz                        
    BFD2_V_MIN                  
*       wert_01                     value 01
*       wert_02                     value 02
    BFD2_A_MIN                  
*       wert_01                     value 01
        wert_02                     value 02
    BFD2_A_LOE                  
        wert_01                     value 01
*       wert_02                     value 02
    BFD2_T_ABS                  
*       wert_01                     value 01
        wert_02                     value 02
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      03-16-2011, 02:10 PM   #2
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Have you had any success with this? Would be interesting if the brake lights could flash under hard braking.
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      10-29-2011, 05:12 PM   #3
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was this ever tested?

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      01-08-2012, 11:15 AM   #4
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Any update? Would be really interested in seeing the German-market default settings, particularly those producing the blinking frequency shown by the GTS under hard braking in this video at around 0:31.

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      01-09-2012, 12:25 AM   #5
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would also be interested in this.
I know it's possible to enable Brake Force Display (both brake bulbs) as the default for braking. Would be interested in having that as the default and blinking under hard braking.
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      01-10-2012, 07:13 AM   #6
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Quote:
Originally Posted by E30 Racer View Post
Any update? Would be really interested in seeing the German-market default settings, particularly those producing the blinking frequency shown by the GTS under hard braking in this video at around 0:31.

I noticed that in the video also, would definitely be interested in coding my car to do this.
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      01-10-2012, 11:06 AM   #7
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      01-11-2012, 07:06 PM   #8
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That would be very cool! If anyone can figure this out, it would be Grant@DetailAddict...he seems very well versed in coding!

Just skimming, I'm honing in on this section:
BFD2_V_MIN
* wert_01 value 01
* wert_02 value 02
BFD2_A_MIN
* wert_01 value 01
wert_02 value 02
BFD2_A_LOE
wert_01 value 01
* wert_02 value 02
BFD2_T_ABS
* wert_01 value 01
wert_02 value 02
This seems to control when it's going to flash--ABS would logically cause the flashing to kick in when ABS is working hard, I'm going to guess V_MIN involved a minimum speed for this to kick in? I don't know, I still haven't made the plunge on a coding cable yet...even though I should.
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      01-11-2012, 08:54 PM   #9
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Not to rain on the parade.

This idea seems cool.

In the video you sure they arent LED tails and you are seeing them "blink" due to the frame rate of the camera?
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      01-11-2012, 08:56 PM   #10
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No, that looks like LED's themselves. Also 5 series have that feature enabled from the factory, so there's a chance it's possible on 3 as well.
This is also FRM2+ only feature.

I enabled the values loooong time ago but there's no easy way to test it.
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      01-11-2012, 10:48 PM   #11
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Quote:
Originally Posted by onebadmofo View Post
No, that looks like LED's themselves. Also 5 series have that feature enabled from the factory, so there's a chance it's possible on 3 as well.
This is also FRM2+ only feature.

I enabled the values loooong time ago but there's no easy way to test it.
can you set up a video camera on the side of a deserted road, and do a panic stop as you drive by it?
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      01-11-2012, 11:31 PM   #12
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I was able to get this to work on FRM 1 modules (coded it on mines and a few others).

However, for FRM2 and FRM 3 modules, I am trying to figure it out. I upgraded my FRM 1 with the NFRM (FRM2) module. Fore those with frm 1 here are the values.

BFD_1_RL_BL_ERSCH_BILD = brake light
wert_03 = flashing
BFD_1_BL_M_ERSCH_BILD = 3rd Brake light
wert_03 = flashing
BFD_1_RL_BL_1_ERSCH_BILD = brake light 1
wert_03 = flashing
BFD_1_RL_BL_2_ERSCH_BILD = brake light 2
wert_03 = flashing
BFD_1_NSL_ERSCH_BILD = rear fog lamp
wert_03 = flashing

I just did the flashing on my rear fog lamps as I don't like the look of all the rear lights flashing (too slow with halogen bulbs).
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      01-12-2012, 03:05 PM   #13
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Quote:
Originally Posted by DESI4life10 View Post
I was able to get this to work on FRM 1 modules (coded it on mines and a few others).

However, for FRM2 and FRM 3 modules, I am trying to figure it out. I upgraded my FRM 1 with the NFRM (FRM2) module. Fore those with frm 1 here are the values.

BFD_1_RL_BL_ERSCH_BILD = brake light
wert_03 = flashing
BFD_1_BL_M_ERSCH_BILD = 3rd Brake light
wert_03 = flashing
BFD_1_RL_BL_1_ERSCH_BILD = brake light 1
wert_03 = flashing
BFD_1_RL_BL_2_ERSCH_BILD = brake light 2
wert_03 = flashing
BFD_1_NSL_ERSCH_BILD = rear fog lamp
wert_03 = flashing

I just did the flashing on my rear fog lamps as I don't like the look of all the rear lights flashing (too slow with halogen bulbs).
Hi Desi, sorry I'm still learning the ropes here. As an 07/2005 build E90, I have the FRM1 module?
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      01-12-2012, 05:24 PM   #14
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Quote:
Originally Posted by beneliezer View Post
Hi Desi, sorry I'm still learning the ropes here. As an 07/2005 build E90, I have the FRM1 module?
No probs.

Yes you have an FRM 1 module. So you can use the codes I posted in my post.

FRM 2 started for cars built after 03/2007
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      01-12-2012, 10:07 PM   #15
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Quote:
Originally Posted by DESI4life10 View Post
I was able to get this to work on FRM 1 modules (coded it on mines and a few others).

However, for FRM2 and FRM 3 modules, I am trying to figure it out. I upgraded my FRM 1 with the NFRM (FRM2) module. Fore those with frm 1 here are the values.

BFD_1_RL_BL_ERSCH_BILD = brake light
wert_03 = flashing
BFD_1_BL_M_ERSCH_BILD = 3rd Brake light
wert_03 = flashing
BFD_1_RL_BL_1_ERSCH_BILD = brake light 1
wert_03 = flashing
BFD_1_RL_BL_2_ERSCH_BILD = brake light 2
wert_03 = flashing
BFD_1_NSL_ERSCH_BILD = rear fog lamp
wert_03 = flashing

I just did the flashing on my rear fog lamps as I don't like the look of all the rear lights flashing (too slow with halogen bulbs).
awesome... thanks desi! I assume they only blink when braking hard, not all the time, correct?
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      01-12-2012, 11:22 PM   #16
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Quote:
Originally Posted by ZZZZ View Post
awesome... thanks desi! I assume they only blink when braking hard, not all the time, correct?
Yep, only when the abs kicks in. works really well and alerts the drivers behind when doing a hard brake.
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      01-13-2012, 02:57 AM   #17
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On my Trans Am I installed LED bulbs in my hi mount 3rd brake light and a special flasher module that rapidly flashes ONLY the 3rd brakelight upon initial application of the brakes

Is there a way to code BMW hi mount 3rd brakelight to flash ONLY upon applying the brakes?

Car is 09' E92 with FRM2...
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      01-13-2012, 05:46 AM   #18
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Quote:
Originally Posted by DESI4life10 View Post
I was able to get this to work on FRM 1 modules (coded it on mines and a few others).

However, for FRM2 and FRM 3 modules, I am trying to figure it out. I upgraded my FRM 1 with the NFRM (FRM2) module. Fore those with frm 1 here are the values.

BFD_1_RL_BL_ERSCH_BILD = brake light
wert_03 = flashing
BFD_1_BL_M_ERSCH_BILD = 3rd Brake light
wert_03 = flashing
BFD_1_RL_BL_1_ERSCH_BILD = brake light 1
wert_03 = flashing
BFD_1_RL_BL_2_ERSCH_BILD = brake light 2
wert_03 = flashing
BFD_1_NSL_ERSCH_BILD = rear fog lamp
wert_03 = flashing

I just did the flashing on my rear fog lamps as I don't like the look of all the rear lights flashing (too slow with halogen bulbs).
you mean with BFD_1_NSL_ERSCH_BILD (nfrm module) set to wert_03 under hard braking my rear fogs will blink, no matter if they were turned off or on? or will they always blink if i just turn on the rear fogs? thanks, it's a fun addition anyways!
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      01-13-2012, 05:25 PM   #19
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Quote:
Originally Posted by apkraven View Post
you mean with BFD_1_NSL_ERSCH_BILD (nfrm module) set to wert_03 under hard braking my rear fogs will blink, no matter if they were turned off or on? or will they always blink if i just turn on the rear fogs? thanks, it's a fun addition anyways!
They will work just the same as when they would come on and stay on under hard braking, but now it will just blink.

They come on when you lowbeams are or parking light is on.
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      01-13-2012, 05:27 PM   #20
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Quote:
Originally Posted by apkraven View Post
you mean with BFD_1_NSL_ERSCH_BILD (nfrm module) set to wert_03 under hard braking my rear fogs will blink, no matter if they were turned off or on? or will they always blink if i just turn on the rear fogs? thanks, it's a fun addition anyways!
BTW....this code is for FRM 1 module.

NFRM uses it a different way.
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      01-14-2012, 09:05 AM   #21
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Quote:
Originally Posted by DESI4life10 View Post
BTW....this code is for FRM 1 module.

NFRM uses it a different way.
oh, i have a frm1 pre 2007 year i guess, just chose wrong words. will experiment with 3rd brake signal and fogs i guess, however i don't know if there are rear fogs on my ebay tail lights
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      01-15-2012, 07:58 PM   #22
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this is pretty awesome guys, keep us posted with nfrm modules
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