Coding Rear Fogs

GregoryK · 11-03-2018, 11:17 PM

Another member of the forum asked me to do some coding on his car. One of the things was activate the rear fog lights. So read up on the M3 forum. We pulled the lighting switch and did the mode to the lower left hand switch. I noticed that both switched have the possibility of working but we just did the bottom as per the M3 forum.
Did the coding. When the switch is activated the rear fogs come on (looks like super bright break lights) but also the front headlights did too. We in Canada have DRL's so this is not a big deal. Just wondered if anyone had seen these same results.

https://f80.bimmerpost.com/forums/sh....php?t=1023817

This is the thread that I followed:

https://f30.bimmerpost.com/forums/sh...d.php?t=877278

The first thread has 2 lines less coding and I wonder if this has something to do with the fact that the front lights come on with the rear fogs.

FEM_BODY / 3060 LCEMaster 1C / NSL_Verbaut = Verbaut

REM / 3063 LCELampMapping 2 / Mapping_Nebelschlussl_L_output = nsl_l
REM / 3063 LCELampMapping 2 / Mapping_Nebelschlussl_L_Function = nebelschlusslicht
REM / 3063 LCELampMapping 2 / Mapping_Nebelschlussl_R_output = nsl_l
REM / 3063 LCELampMapping 2 / Mapping_Nebelschlussl_R_Function = nebelschlusslicht

AndrewC1989 · 11-03-2018, 11:31 PM

Yes it's completely normal. The front and rear fogs in any bmw will only work if the headlights are manually turned on or set to auto. If in auto, pressing a front or rear fog button will activate the fogs AND the headlights. No way to make them turn on by themselves AFAIK.

Also, I posted an easier rear fog mod DIY on our forum a while ago: https://f87.bimmerpost.com/forums/sh....php?t=1450178

Unless you're replacing the entire switch the light panel does not need to come out. You can just pry the button out with a trim tool.

AndrewC1989 · 11-04-2018, 12:50 AM

Quote:

Originally Posted by eDrive

Have you installed LED on those BFD Bulbs?

If so how do they look? Can you post a picture?

I have LCI tail lights so BFD/fog is LED from factory

akkando · 11-04-2018, 04:33 AM

Just went ahead and did this. I can't wait for the next tail-gater!

amancuso · 11-04-2018, 06:32 AM

Easy, great mod. Same here with the headlight, that's normal function.

GregoryK · 11-04-2018, 08:16 AM

Quote:

Originally Posted by andrewc89

Yes it's completely normal. The front and rear fogs in any bmw will only work if the headlights are manually turned on or set to auto. If in auto, pressing a front or rear fog button will activate the fogs AND the headlights. No way to make them turn on by themselves AFAIK.

Also, I posted an easier rear fog mod DIY on our forum a while ago: https://f87.bimmerpost.com/forums/sh....php?t=1450178

Unless you're replacing the entire switch the light panel does not need to come out. You can just pry the button out with a trim tool.

\

Andrew. Thanks for the follow up. I'm doing mine today. Not exactly a difficult mod but will try your way!
Guess there the top button is worthless then in our cars?

GregoryK · 11-04-2018, 08:35 AM

Maybe you add one of these vinyl stickers instead of the euro switch....

Poochie · 11-04-2018, 08:58 AM

Quote:

Originally Posted by akkando

Just went ahead and did this. I can't wait for the next tail-gater!

Wait until they get really close to your bumper, then quickly hit the switch..

I did that to a cab this weekend and he almost swerved into another car..

Then he got mad and tried to race me afterwards..

How dare I try to stop him from riding my ass.. The nerve of me

AndrewC1989 · 11-04-2018, 09:46 AM

Quote:

Originally Posted by GregoryK

\

Andrew. Thanks for the follow up. I'm doing mine today. Not exactly a difficult mod but will try your way!
Guess there the top button is worthless then in our cars?

Yes, we don't have front fogs so that button stays blank.

Quote:

Originally Posted by GregoryK

Maybe you add one of these vinyl stickers instead of the euro switch....

Lol, those are pretty funny but they wouldn't illuminate at night. That's really the main reason why I bought the euro switch. If you don't want to spend the money buying it brand new, there are usually a few floating around on ebay for half price.

LuvMyE92 · 11-05-2018, 11:02 AM

Quote:

Originally Posted by andrewc89

You can just pry the button out with a trim tool.

Can you be a bit more specific, like how/where on the button it's best to stick in the tool? I hate breaking little plastic bits.

Thanks!

AndrewC1989 · 11-05-2018, 11:11 AM

Quote:

Originally Posted by LuvMyE92

Can you be a bit more specific, like how/where on the button it's best to stick in the tool? I hate breaking little plastic bits.

Thanks!

akkando · 11-05-2018, 04:05 PM

Just to be clear people wanting to do this mode will need to remove the lower button, not the upper button in the video.

AndrewC1989 · 11-05-2018, 04:16 PM

Quote:

Originally Posted by akkando

Just to be clear people wanting to do this mode will need to remove the lower button, not the upper button in the video.

Fixed

LuvMyE92 · 11-06-2018, 06:20 AM

Thanks Andrew!

terrylee912 · 11-06-2018, 09:09 AM

Hey Gregory!
Thank you so much for your help on coding.

Guys, I will post up some pics before / after turning fog lights.
Stay tuned!

terrylee912 · 11-08-2018, 02:12 PM

Quote:

Originally Posted by terrylee912

Hey Gregory!
Thank you so much for your help on coding.

Guys, I will post up some pics before / after turning fog lights.
Stay tuned!

Top 2 pics are before and bottom 2 are after turning on fog lights.

11-03-2018, 11:17 PM	#1
GregoryK Captain 503 Rep 780 Posts Drives: M2 '18 Join Date: Aug 2014 Location: Canada iTrader: (0)	Coding Rear Fogs Another member of the forum asked me to do some coding on his car. One of the things was activate the rear fog lights. So read up on the M3 forum. We pulled the lighting switch and did the mode to the lower left hand switch. I noticed that both switched have the possibility of working but we just did the bottom as per the M3 forum. Did the coding. When the switch is activated the rear fogs come on (looks like super bright break lights) but also the front headlights did too. We in Canada have DRL's so this is not a big deal. Just wondered if anyone had seen these same results. https://f80.bimmerpost.com/forums/sh....php?t=1023817 This is the thread that I followed: https://f30.bimmerpost.com/forums/sh...d.php?t=877278 The first thread has 2 lines less coding and I wonder if this has something to do with the fact that the front lights come on with the rear fogs. FEM_BODY / 3060 LCEMaster 1C / NSL_Verbaut = Verbaut REM / 3063 LCELampMapping 2 / Mapping_Nebelschlussl_L_output = nsl_l REM / 3063 LCELampMapping 2 / Mapping_Nebelschlussl_L_Function = nebelschlusslicht REM / 3063 LCELampMapping 2 / Mapping_Nebelschlussl_R_output = nsl_l REM / 3063 LCELampMapping 2 / Mapping_Nebelschlussl_R_Function = nebelschlusslicht __________________ "I would rather cry in a BMW than smile on a bicycle." Ma Nuo
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11-03-2018, 11:31 PM	#2
AndrewC1989 Brigadier General 10911 Rep 4,541 Posts Drives: 2015 328d xDrive Join Date: Aug 2010 Location: NoVA iTrader: (5) Garage List 2015 328d xDrive [8.75]	Yes it's completely normal. The front and rear fogs in any bmw will only work if the headlights are manually turned on or set to auto. If in auto, pressing a front or rear fog button will activate the fogs AND the headlights. No way to make them turn on by themselves AFAIK. Also, I posted an easier rear fog mod DIY on our forum a while ago: https://f87.bimmerpost.com/forums/sh....php?t=1450178 Unless you're replacing the entire switch the light panel does not need to come out. You can just pry the button out with a trim tool.
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11-04-2018, 04:33 AM	#4
akkando Major General 5863 Rep 6,634 Posts Drives: 17 M2 DCT LBB,11 e90 M3 ZCP IB Join Date: Jan 2017 Location: Bay Area iTrader: (1)	Just went ahead and did this. I can't wait for the next tail-gater!
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11-04-2018, 06:32 AM	#5
amancuso Lieutenant Colonel 724 Rep 1,755 Posts Drives: 330it, 428ix, 430i Join Date: Oct 2008 Location: Lawrenceville, GA iTrader: (1)	Easy, great mod. Same here with the headlight, that's normal function. __________________ 2016 428ix, r, 2018 430iC, 2018 330it
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11-04-2018, 08:35 AM	#7
GregoryK Captain 503 Rep 780 Posts Drives: M2 '18 Join Date: Aug 2014 Location: Canada iTrader: (0)	Maybe you add one of these vinyl stickers instead of the euro switch.... Attached Images __________________ "I would rather cry in a BMW than smile on a bicycle." Ma Nuo
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11-05-2018, 04:05 PM	#12
akkando Major General 5863 Rep 6,634 Posts Drives: 17 M2 DCT LBB,11 e90 M3 ZCP IB Join Date: Jan 2017 Location: Bay Area iTrader: (1)	Just to be clear people wanting to do this mode will need to remove the lower button, not the upper button in the video. Last edited by akkando; 11-07-2018 at 04:51 PM..
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11-06-2018, 06:20 AM	#14
LuvMyE92 Occasionally frequent poster 3000 Rep 2,744 Posts Drives: CT5V-Blackwing Join Date: Jan 2008 Location: RTP NC, USA iTrader: (0)	Thanks Andrew! __________________ Current inventory: F22 & G05 Cadillac CT5-V Blackwing w/3 pedals Past: E24,E28(3),E34,E36,E37,E38(2),E39(4),E46,E89,E92 (obviously),F01,F06,F10,F30,F87,G12,G30(2),G82(2)
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11-06-2018, 09:09 AM	#15
terrylee912 Registered 0 Rep 3 Posts Drives: 2018 M2 Join Date: Oct 2018 Location: Toronto iTrader: (0)	Hey Gregory! Thank you so much for your help on coding. Guys, I will post up some pics before / after turning fog lights. Stay tuned!
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