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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > DIY- Rear Fog Lights



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  DIY- Rear Fog Lights
brianlay
08-08-2006
US cars can have the rear foglights enabled by replacing the light switch with the Euro version. These are the same lamps already installed as adaptive brake lights. While the rear fogs are switched on, the adaptive brake light function is disabled.

Parts required- 61 31 6 932 796 ...
  #638  
By Virterm on 03-25-2012, 10:02 AM
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Anyone did it on 2011 328xi with halogens?
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  #639  
By JimVR4 on 03-25-2012, 09:26 PM
I haven't modified my switch yet but I was able to code the rear fog lights as welcome lights!
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  #640  
By Virterm on 03-26-2012, 01:23 PM
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Quote:
Originally Posted by Virterm View Post
Anyone did it on 2011 328xi with halogens?
Anyone?
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  #641  
By mbergman on 07-30-2012, 07:56 AM
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Has anyone installed this switch with halogen headlights? ECS Tuning recently began selling similar (I have not double checked the part#), but their description refers to Xenon headlights. I'm not sure why the switch wouldn't work equally well with halogen.
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  #642  
By mbergman on 07-30-2012, 10:39 AM
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E91- 2009 need legos?

Has anyone done this mod on an E91 - 2009 328xi? if so, did it require the spare parts (actuator) or just the tab cutting?
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  #643  
By Dark_Knight_335 on 08-28-2012, 05:57 AM
I just pulled the tabs, no need to change out the switch. But I suppose if you want the complete look... but for me it just isn't worth it to mess about with trim pieces and wires.
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  #644  
By bula on 09-01-2012, 12:02 PM
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Did mine today (2007, 335xi), did not have the white piece inside but even so it was very easy to get it to work.
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  #645  
By N8N on 09-12-2012, 06:34 PM
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Time between Nate purchasing a car that "he doesn't have to work on or modify" and first modification: apparently, 8 days.

But seriously, I just got my switch from ECS Tuning (because they're the only ones that seem to sell the one with the brushed chrome trim, and I'm just that anal retentive that I want it to look stock) and while it's not the part number that's listed on realoem.com, if there's a difference in color, fitment, etc. I can't see it. Fairly easy mod as far as these things go. Was really nervous taking plastic cutlery to such a pretty car, but managed not to hork anything up.

Edit: apparently the rear fog and front fog are completely independent. As in, I can turn the rears on without the fronts being on. Whatever, I'll only use them in pea soup anyway unlike those Benz drivers :P
Last edited by N8N; 09-12-2012 at 08:25 PM.
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  #646  
By Wellardmac on 07-27-2013, 01:27 PM
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Awesome write-up. I just did mine and it took all of 15 mins, thanks!
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  #647  
By CoastsideE90 on 08-02-2013, 11:38 AM
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Thanks to ECS

Just did mine as well and it was super easy, thanks to the ECS Tuning installation guide on YouTube.
I opted to buy the Euro switch (ECS has it in stock, part number 404 for the LCI E90) and for me, it was worth it to keep it looking OEM.
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  #648  
By scroitoru on 12-16-2013, 03:20 PM
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this tutorial located here is MUCH more nicer and cleaner and with lots of details.

http://www.fastm.com/e92m3/rearfog.html
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  #649  
By bemmin335 on 01-11-2014, 03:01 AM
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I used a .50 cent plastic air freshener as a replacement for the white piece. Done. Rear fog lights operational without spending $75-$100 on the new switch. Thanks BMW for charging to replace a switch that doesn't need to be replaced! BTW...the local BMW shop quoted me 650 Euros to do the job themselves. crooks!
Last edited by bemmin335; 01-11-2014 at 03:17 AM.
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  #650  
By Wellardmac on 01-11-2014, 08:25 AM
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Quote:
Originally Posted by bemmin335 View Post
I used a .50 cent plastic air freshener as a replacement for the white piece. Done. Rear fog lights operational without spending $75-$100 on the new switch. Thanks BMW for charging to replace a switch that doesn't need to be replaced! BTW...the local BMW shop quoted me 650 Euros to do the job themselves. crooks!
Yeah, that's well known. I think it's even previously mentioned in this thread several times and many others that can easily be found by search.

I guess it all depends on if you like details to have the correct finish, or to be half-assed.
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  #651  
By GeeMakn on 02-12-2014, 08:11 PM
Did this with a pen shaft, stuck a candle wick in there to make it sturdy. Had the circle shape aluminum stick out the shaft, put a nickel there. Works great.

I'd still buy someone else's plastic white piece tho. PM me if you have one!
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  #652  
By silver928 on 02-13-2014, 11:19 AM
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Just pulled switch in 2011 328i and has the internal white switch already there, and cut tabs and replaced, and rear fogs good to go.

Great DYI and right up, thanks

Bob
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  #653  
By 1Bappel on 02-14-2014, 01:03 PM
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Quote:
Originally Posted by Virterm View Post
Anyone did it on 2011 328xi with halogens?
I have Halogens and used the link that Scroitoru posted above.

http://www.fastm.com/e92m3/rearfog.html

This worked great and took me a total of about 15 mins. I don't have the appearance of the switch, which you get when purchasing it, but the rear fogs are functional now and work well. When I have an extra Benjamin to drop I may go for the true switch, but I can think of other options to pick up first for the $. Also nice to have when someone is riding your tail. A push of the button and they drop back fast.
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  #654  
By iBoost on 02-14-2014, 01:16 PM
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Enabled my rear fogs this past weekend. Just a tip to those of you guys modifying the original piece, the buttons don't just pry off. There are 2 small tabs that hold them in place through the inside. So you have to open up the box from the rear and you'll quickly see the 2 tabs that hold each button in place. Also if your car doesn't have the white inner tab already in there, it seems to be very easy to rig up a new one. Good luck!
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  #655  
By Amini9 on 02-14-2014, 03:14 PM
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So easy.
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  #656  
By mikeisnorml on 02-16-2014, 07:51 AM
awesome write up! I made my internal button spacer from a pen cap I cut down and a old plastic rewards card cut into a rectangle. JB weld the pieces together, it works every time, and it's extremely solid.
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  #657  
By allan on 02-18-2014, 06:58 PM
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Styrofoam behind trim ??

I need the help of those people who replaced their light switch on the E9x.

I did mine today and noticed that my car doesn't have the black Styrofoam behind the dashboard as seen in this picture,



just empty space, metal and cables.



Is there a difference in model year ?? What's going on? Does anybody know? What does yours look like?

Thanks for any "enlightenment"

.
Last edited by allan; 02-20-2014 at 10:04 AM.
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  #658  
By SSW on 03-07-2014, 06:21 PM
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I just did this mod by swapping out the old switch for a new Euro switch that I bought from ECS tuning for $150 here:



Also bought the 5 piece trim tool set to do the job here:



Only needed one of the 5 tools in the kit -- the thin one w/the fork at the end. It was really EASY to do with the trim tool BUT I wouldn't try it without it. Hardest part was getting the 4 tabs to release the switch from the faceplate.

Just watched the ECS Installation Video a couple of times before doing it myself.

Only thing I don't like is that the switch does not have any on/off lights to indicate that the front or rear fogs are on or not when you push the buttons. While you can tell by the light intensity whether the front fogs are on, you really can't tell if the rear fogs are on without going to the back and looking.

But, otherwise, it was a very easy and satisfying mod to do.
Last edited by SSW; 03-07-2014 at 09:55 PM.
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  #659  
By drome21 on 03-17-2014, 05:24 PM
Just did this mod, used the this link, http://www.fastm.com/e92m3/rearfog.html. A lot more helpful.
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