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ska///235i's Avatar (DIY) One little piece needed to enable our USA rear fog lights
ska///235i
03-17-2007
(DIY) enable our USA rear fog lights for E90 & E92

I took my light switch apart and discover that our switch has the ability for rear fogs, but there's one little piece needed/missing to activate it.

The switch is very easy to take apart.....just a few clips on the...
  #286  
By NYC 135i on 12-03-2010, 10:16 PM
i have an 08 328i and i just took apart the whole switch and all but the only problem im having is getting the rear fog button to pop off...does my car have that white piece in there or no?
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  #287  
By Marcumac on 12-05-2010, 11:50 PM
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Quote:
Originally Posted by Ryanstar13 View Post
I just realized that my switch is missing the white piece on the circuit board for the rear fog lights. I wonder if this was missing to disable the feature of rear fog lights in Canada. Anyone know what I should do to replace this missing white thing? Thanks in advance. (please see the circled area on the attached picture)
You're not missing anything, all 4 of the white pieces are in your picture. Front fogs and rear fogs are each set of diagonal buttons.
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  #288  
By virk007 on 12-11-2010, 09:24 PM
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I just finished enabling my Rear Fog Lights. Had a bit of trouble getting the clips off the rear fog button to let the button out but got it with a help of a friend. I used a crayon and put a nickel on top without glue and it works perfect. Best Free Mod
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  #289  
By Ryanstar13 on 12-13-2010, 07:23 PM
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Quote:
Originally Posted by virk007 View Post
I just finished enabling my Rear Fog Lights. Had a bit of trouble getting the clips off the rear fog button to let the button out but got it with a help of a friend. I used a crayon and put a nickel on top without glue and it works perfect. Best Free Mod
THanks... My rear fogs are working!!!Cheers!!!
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  #290  
By Badperfection on 12-27-2010, 06:02 PM
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Its sad to see other cars have the switch already (ie Volvos.) but BMWs dont have it...
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  #291  
By SilverII on 12-28-2010, 09:02 AM
i use this to annoy tail gaters... so far it works very nicely... undocumented benefit
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  #292  
By robingo88 on 12-31-2010, 12:09 PM
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another success story (2011 E93)

just wanted to note another success story with my 2011 E93 (which had all the necessary pieces already in place and just required clipping the plastic flashing that stops the rear fog button from being depressed).

couple of tips:

1. to remove the wood trim panel above the light switch i took a US dime and quarter and a small lens cleaning cloth (polyester type for anti-glare glasses) and fashioned a tool with the cloth wrapped around the coin, first with the dime inside and then the quarter) to create a small padded pry bar. working on the inside corner (nearest the gauge cluster) i was able to gently create enough space with the dime to then work the quarter and eventually get the vent piece off (remember to work both sides or you'll be more likely to crack the vent - you want it to come straight off)

2. getting the switch assembly apart was simple but i also had some trouble removing the bottom rear-fog button. ultimately i found the key was to gently pull on the button from the outside of the switch, putting a bit of pressure between the button and the facing of the switch (where there is a gap) while using a small screwdriver to release one of the internal button clips - there was a small click and the button was then at an angle - i then used the small screwdriver to remove the second clip (still with gentle pressure pulling on the outside of the button) and viola!

i was going to use a small needle nose pliers to remove the plastic tabs but decided to go with the knife method and it was very clean indeed but be careful to cut -away- from your fingers!!! you're working on a small irregular piece and you'll need all your fingers to shift!

as others have said, my saab's and volvo's have both had rear fog lamps which proved to be most useful in both fog and the driving rains we sometimes get here in northern cal. glad to have the function back!
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  #293  
By rault18 on 01-04-2011, 02:58 AM
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was bored and decided to do this.

white thingy duplicate was made with a pen cap, and a piece of an autozone card attached.

Working flawless..

anti high beam douchebags.....activated!
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  #294  
By Novo on 01-04-2011, 08:22 PM
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thanks

great description
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  #295  
By BrynDN on 01-06-2011, 08:41 PM
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So cool. I did this on my 2009 E90. Was extremely hopeful that I would have the second "white piece" since 2010 and 2011 owners did. Unfortunately I did not. Rigged it up from a nickel and a wire nut. Super glued some layers of packaging plastic to the nickel to ensure that it would be insulated in the event it came into contact with any electrical connections. I also used this to increase the thickness of the nickel so that it fit in there perfectly snug.

So worth the 30 minutes and $.05, but definitely not worth the $50+ dollars for the OEM part. I'm not sure when I'll ever use the rear fogs, but it's cool that I have them at least. Thanks OP!

PS. I'm sure that the dealer could provide the rear fog button from the switch only. Could just say it popped off and that is all you need. No LED in my switch for the rear fog, either. Personally I like the stealth switch.
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  #296  
By silentassasin on 01-08-2011, 12:06 AM
Did the mod yesterday. Used an old credit card and highlighter cap glued together. Works great. Love the mod.

Thanks.
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  #297  
By pvtpilot2004 on 01-08-2011, 11:33 PM
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Will this work with cars with Halogen headlights also?

I was wondering if anyone has tried or done this mod with cars that have halogen headlights? I was looking at Turner motorsports which sell the german switch. According to them this switch will only work on cars with Xeon/Hid lights along with the rainsensor. THis has me wondering.
I have Halogen and I do have the rainsensor.
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  #298  
By Badperfection on 02-16-2011, 12:01 PM
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done on my 2011 328

Just an FYI... my car had the extra white piece.. just cut the sides with a razor and your set great DIY!!!!
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  #299  
By sirantsE90 on 02-16-2011, 12:14 PM
did this, it was extremely easy with this DIY, thanks
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  #300  
By ska///235i on 02-16-2011, 09:28 PM
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glad that after 4 years this DIY is still useful
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  #301  
By Perfectus on 03-08-2011, 01:26 AM
Just did this mod and used some LEGOs to replicate the white piece. Thanks to the OP for the DIY and thanks to everyone for all the ideas!
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  #302  
By Marcumac on 03-09-2011, 07:28 AM
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Quote:
Originally Posted by Perfectus View Post
Just did this mod and used some LEGOs to replicate the white piece. Thanks to the OP for the DIY and thanks to everyone for all the ideas!
Legos ftw. Guy at the Lego Store just gave me mine for free, so this DIY cost me nothing.
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  #303  
By Adj5633 on 03-10-2011, 12:23 PM
got a 2010 e90 328xi (Canadian) and my car had the white piece

great mod guys Thanks for the help!!!
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  #304  
By Jeff@TopGearSolutions on 03-22-2011, 12:50 AM
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Took a stab at this tonight to check it out, did it in a starbucks parking lot.

Fairly easy to do once its done once. I didnt actually do the mod yet, I Just need to find something clean to replicate the white piece as I have nothing to work with off the top of my head.

Second removal should be cake though now that I did it once.

I did enable the rear fogs just pushing in the white pieces of on the microchip board. So cool haha

Thx!
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  #305  
By Marcumac on 03-22-2011, 12:40 PM
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Legos my man. Super easy.
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  #306  
By matrix76 on 03-22-2011, 01:10 PM
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Quote:
Originally Posted by pvtpilot2004 View Post
I was wondering if anyone has tried or done this mod with cars that have halogen headlights? I was looking at Turner motorsports which sell the german switch. According to them this switch will only work on cars with Xeon/Hid lights along with the rainsensor. THis has me wondering. I have Halogen and I do have the rainsensor.
Did this question ever get answered? Did anyone with halogen lights, 09+, get this working?
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  #307  
By matrix76 on 03-23-2011, 07:43 PM
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Well I took my switch apart, I was able complete all the testing needed but it does not work with the Halogen systems. I did get the dashboard to indicate to light up but no euro lights came on. Also the light in the switch did not light when I activated the euro portion of the switch. I did not cut any clips etc because I was able to test everything with the switch openned up. Unless it can be coded in I will have to abandon this totally.
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