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Old 05-03-2009, 06:51 PM   #1
Mote
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Fog Light Lens Replacement

I know there must be a million DIY's on replacing the fog light lenses, but here is my take. And hey, the more resources the better!

On my continuing quest to replace all the old or faulty OEM parts on my E30, I decided to replace the fog light lenses with aftermarket durable polycarbonate ones. The OEM lenses are made of glass, and pretty much every E30 at one point or another has cracked or even broken the lenses off.

First, I started off by jacking the car up. You don't really have to, but, if your E30 is as low as mine..working underneath it is way too cramped. Rest the car on some sturdy jack stands.


After the car is up, you'll notice the back of the fog lamp is connected. Go ahead and disconnect this.


The fog lamp is mounted by 4 bolts. The bottom 2 are easiest to get to, however the top 2 are a bit cramped. Use an 8mm socket to remove these.


After the bolts are off, the lamp should slide out easily from behind. You can clearly see the cracked and broken lens.


There are several ways to remove the lens, but the easiest way I found was by gently hammering the lens further breaking it. Not too hard or you might damage the bulb housing beneath the glass. Then using the back of the hammer, try to pry out the large pieces by ripping them off from the old adhesive. You might want to use goggles and even rubber gloves as pieces of glass tend to fly around everywhere. Clean up all the bits of glass and adhesive until you are left with a smooth surface.


Now that you have the lens off, it's a good time to clean the inside of the housing. I used a can of compressed air and made sure all the dust and even left over glass was gone.


Once you've cleaned the inside housing, it's time to apply clear silicone adhesive around the rim of the fog lamp. Also make sure your fog lamp is mounted flat. I used an old basket I had lying around.


Place the lens on the housing lining up the edges and push down a bit so the lens rests flat against the edge of the housing.


Let the lens rest for a few hours or overnight giving the silicone enough time to adhere itself to the lens.


Once dry, reinstall the lamp. If your lamp doesn't sit flush (as mine didn't), you can adjust the angle in which the lamp rests. Take a philips screwdriver and give the top screw a few turns and the lamp should adjust itself accordingly.


Here are the finished fog light lenses replaced and ready to go!


Enjoy!
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Old 05-05-2009, 02:57 PM   #2
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your car is super clean.....
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Old 05-05-2009, 08:56 PM   #3
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Where did you buy new lenses?
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Old 05-05-2009, 10:18 PM   #4
ADEN
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Where did you buy new lenses?
where?
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Old 05-06-2009, 12:14 PM   #5
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where?
Oh sorry guys...forgot to mention..
You can purchase the lenses from this site



Mario
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Old 05-06-2009, 07:22 PM   #6
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good write up.

i have the same lenses installed on mine and after a winter they are holding up well. some x-pel/laminex helps keep the plastic in good shape.
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Old 05-06-2009, 09:01 PM   #7
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Thanks!
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Old 05-07-2009, 01:50 PM   #8
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Looks great in person. I chatted with you at bimmerfest for a few minutes. Sweet pick up man. Can't wait to see the completed project

Nick
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Old 05-07-2009, 04:26 PM   #9
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Looks great in person. I chatted with you at bimmerfest for a few minutes. Sweet pick up man. Can't wait to see the completed project

Nick
Nice to meet and chat with you, Nick! Stay tuned for more updates on my project E30!

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Old 05-09-2009, 02:23 PM   #10
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49 bux for a set for the fogs, thats alot haha
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Old 05-12-2009, 11:04 AM   #11
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49 bux for a set for the fogs, thats alot haha
Yeah it's not cheap... but the alternative is even more pricey. Plus these are very durable. My guess is I won't need to replace them for a very long time to come, if ever.
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Old 05-12-2009, 11:23 AM   #12
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Nice write up, when I get fog lights I will need this, Thank you.
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Old 05-12-2009, 06:04 PM   #13
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Yeah it's not cheap... but the alternative is even more pricey. Plus these are very durable. My guess is I won't need to replace them for a very long time to come, if ever.
yea i need a fog light anyways, but i picked up some 80's MB yellow high beams that are kinda early fog light shape, once i get a front valance ill fab it up and they will be yella and bright , same bulbs and everything as teh fogs i have now
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Old 05-23-2009, 09:42 PM   #14
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Looks good, but I think the factory adhesive was black, looks much better that way I think.
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Old 05-24-2009, 04:53 PM   #15
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Nice writeup.

I was impressed with the poly lenses - tough to beat for the cost.

FWIW, When I did my fogs, I used black silicone to seal the lenses. I believe it keeps the light from "leaking" from the sides.
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