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Lighting Forum
Angel Eyes, DDEs, lighted rings, Clear Turn Signals, LEDs, Xenon, HID, or Bi-Xenon. If it lights up and you want to discuss it, post here!

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Old 01-25-2009, 11:12 AM   #1
GoingNuts
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Dumb rear fog lights

There was fog a couple of weeks ago. So I thought I'd use my fog lights front and rear. One of the rears appeared to be broken. So today I got round to fix it.

Symptoms: left rear fog not working



Ahhh, maybe bulb was blown.



WTF. two bulbs on the right. But only one on the left ???!!!



It's now obvious that was how the rear fogs were supposed to be, and nothing was broken. Feeling a bit sheepish, I looked around to see what else I could do. I found lots of cabling on the trunk lid that could be source of rattles, and the bump-stop for the lid wasn't optimal. So I taped up everything and adjusted everything. Now I am absolute sure there could be no noises from the trunk lid. This wasn't what I set out to do. But it was satisfying fixing up the very last place on the rear of my car that could squeak or rattle.
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Last edited by GoingNuts; 01-25-2009 at 11:16 AM.
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Old 01-25-2009, 11:20 AM   #2
AndrewIndy
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We don't have rear fogs here in the states, but I had a SAAB with a rear fog light (only one), but it was only on the left, not the right. Perhaps, if there are two fog lights it could be confused with brake lights, especially if someone cannot see you well in the fog?
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Old 11-18-2012, 10:21 PM   #3
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Originally Posted by AndrewIndy View Post
We don't have rear fogs here in the states, but I had a SAAB with a rear fog light (only one), but it was only on the left, not the right. Perhaps, if there are two fog lights it could be confused with brake lights, especially if someone cannot see you well in the fog?
On my girls saab both fogs work
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Old 01-25-2009, 11:35 AM   #4
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Does any one know where I can get the part number for the switch to activate a rear fog. Or is this something I need a more then just a swich for?
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Old 01-25-2009, 11:55 AM   #5
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Audis have 2, BMW has 1 rear fog on the drivers side by design, as you well know now. =]

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Originally Posted by bimmerboy330 View Post
Does any one know where I can get the part number for the switch to activate a rear fog. Or is this something I need a more then just a swich for?
If you want the OEM switch, and the discrete cluster illumination, you need to get a euro faceplate. Faceplate only. If you have a Sedan, and are in the US, you are SOL (BMWNA sucks) on activating the rear fog if you have adaptive brake lights.

Jason at Tischer (getbmwparts.com) set me up with my new LCM, I did the OEM LED retrofit so I bought the whole assembly. You can, just buy the faceplate though.

You also need a sedan bulb carrier, it has two light sockets. Left for side for LHD, right side like original poster for RHD, or you can dremmel out your coupe one. Carrier was <$15 bucks so I didnt bother to f with the dremmel.

Oh, and depending on the year, you may have to run a wire from your deck lid to pin 49 on your LCM (for coupes).


LCM assembly 61-31-9-133-021 (part is superseded and you only need the faceplate)
Bulb carrier 63 21 7 165 743

I have xenons
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Last edited by Sack; 01-25-2009 at 11:59 AM.
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Old 04-14-2009, 02:28 PM   #6
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Can someone explain what that tiny silver dot between the interior light intensity control and the headlight dial is meant for?

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http://i43.tinypic.com/9qfof4.jpg[/IMG]
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Old 04-14-2009, 02:38 PM   #7
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Can someone explain what that tiny silver dot between the interior light intensity control and the headlight dial is meant for?
Its a light sensor. Put your finger over it in the daytime and you'll notice that your dash lights get dimmer.
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i heard that this cars go like 300k miles
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Old 04-14-2009, 03:01 PM   #8
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I want rear fog lights
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Old 07-10-2009, 11:37 AM   #9
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Quote:
Originally Posted by Sack View Post
Audis have 2, BMW has 1 rear fog on the drivers side by design, as you well know now. =]

If you want the OEM switch, and the discrete cluster illumination, you need to get a euro faceplate. Faceplate only. If you have a Sedan, and are in the US, you are SOL (BMWNA sucks) on activating the rear fog if you have adaptive brake lights.

Jason at Tischer (getbmwparts.com) set me up with my new LCM, I did the OEM LED retrofit so I bought the whole assembly. You can, just buy the faceplate though.

You also need a sedan bulb carrier, it has two light sockets. Left for side for LHD, right side like original poster for RHD, or you can dremmel out your coupe one. Carrier was <$15 bucks so I didnt bother to f with the dremmel.

Oh, and depending on the year, you may have to run a wire from your deck lid to pin 49 on your LCM (for coupes).


LCM assembly 61-31-9-133-021 (part is superseded and you only need the faceplate)
Bulb carrier 63 21 7 165 743

I have xenons
Saw this and thought about getting it to control angle eyes or something else until I found out it cost $300.

might still do it later for a cleaner look
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Old 05-30-2010, 09:53 AM   #10
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Quote:
Originally Posted by Sack View Post
If you want the OEM switch, and the discrete cluster illumination, you need to get a euro faceplate. Faceplate only. If you have a Sedan, and are in the US, you are SOL (BMWNA sucks) on activating the rear fog if you have adaptive brake lights.
If you have a 2002+ coupe (not sedan) would it be possible to retrofit rear fogs? Sorry to resurrect an old thread.



p.s. No I don't want them to keep them on all the time (I know from experience that they produce a lot of glare and are an eyesore unless used in dismal weather conditions which unfortunately I seem to run into a fair bit). Even front fogs aren't supposed to be used in normal road driving although many people still use them as an extra set of headlights.

Last edited by rizzo2008; 05-30-2010 at 10:04 AM.
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Old 05-30-2010, 11:49 AM   #11
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Quote:
Originally Posted by rizzo2008 View Post
If you have a 2002+ coupe (not sedan) would it be possible to retrofit rear fogs? Sorry to resurrect an old thread.



p.s. No I don't want them to keep them on all the time (I know from experience that they produce a lot of glare and are an eyesore unless used in dismal weather conditions which unfortunately I seem to run into a fair bit). Even front fogs aren't supposed to be used in normal road driving although many people still use them as an extra set of headlights.
yes you can...see my DIY!

http://forum.e46fanatics.com/showthr...light=rear+fog





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Old 05-30-2010, 09:48 PM   #12
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yes you can...see my DIY!
Ok sorry I was just under the impression that your DIY only worked on cars prior to MY 2002 for some reason.
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Old 01-25-2009, 01:33 PM   #13
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I think the original European idea of OEM rear fog is to have ONE REAR FOG LAMP not two. That is simply what you have there or some lazy SOB never finished the complete rear fog DIY. The DIY Rear Fog Light modification that we have here in the USA usually incorporates putting in two rear fog lamp brackets so you get both rear fogs going for the effect.
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Old 01-25-2009, 03:32 PM   #14
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Originally Posted by delmarco View Post
I think the original European idea of OEM rear fog is to have ONE REAR FOG LAMP not two. That is simply what you have there or some lazy SOB never finished the complete rear fog DIY. The DIY Rear Fog Light modification that we have here in the USA usually incorporates putting in two rear fog lamp brackets so you get both rear fogs going for the effect.
Nope, BMW vision was one rear lamp not two. Europe's vision, ECE 38, called for ONE OR TWO rear lamps, required. ECE R48 specifies that the rear fogs must be apart from the brake lights.

Obviously, two lights are better than one for visibility because your brain needs two light sources to triangulate the distance. This is also why cars have two headlights, two tail lights.
In North America, rear fogs are not required but permitted.
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Last edited by Sack; 01-25-2009 at 03:38 PM.
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Old 12-06-2009, 09:38 PM   #15
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Originally Posted by delmarco View Post
I think the original European idea of OEM rear fog is to have ONE REAR FOG LAMP not two. That is simply what you have there or some lazy SOB never finished the complete rear fog DIY. The DIY Rear Fog Light modification that we have here in the USA usually incorporates putting in two rear fog lamp brackets so you get both rear fogs going for the effect.
this
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Old 01-25-2009, 03:05 PM   #16
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yes it it only one on most cars such as porsche, bmw, and mercedes
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Old 01-25-2009, 04:24 PM   #17
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Uhm...what is BMW vision and Europe's vision?


EDIT: I'm guessing you mean "version".
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Old 01-26-2009, 11:20 PM   #18
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Uhm...what is BMW vision and Europe's vision?


EDIT: I'm guessing you mean "version".
No I meant vision: an experience in which a personage, thing, or event appears vividly or credibly to the mind, although not actually present, often under the influence of a divine or other agency

Prior to forming the EU code, they had some idea of what they wanted. Sry I cant write it in crayons.
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Old 01-27-2009, 12:25 AM   #19
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maybe im just a retared but im almost positive i have 2 rear fogs on my 03 330i.. ill post a pic tomarrow.
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Old 01-27-2009, 06:11 PM   #20
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i don't have a rear fog light switch either, they just come on when i urn on my running lights.
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