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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 11-23-2013, 08:29 PM
Brendan K Brendan K is offline
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Moisture in Headlamp

Hey BMW owners, I am sure some of you have had this problem before. I am getting moisture in one of my headlamps. Does this mean there is a void or fracture of some sort in the headlight or does the moisture need a way to escape?
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Old 11-23-2013, 10:18 PM
lgr122 lgr122 is online now
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Those headlight have small ventilation in back, so those lights should be able to "cook" small amount of moisture out of there, but it would be good, if more doesn't get in too easily.
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Old 11-24-2013, 09:41 AM
Starless Starless is offline
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Moisture in Headlamp

Quote:
Originally Posted by Brendan K View Post
Hey BMW owners, I am sure some of you have had this problem before. I am getting moisture in one of my headlamps. Does this mean there is a void or fracture of some sort in the headlight or does the moisture need a way to escape?
The good thing about E46 headlight assembly is that it can be taken apart. When you do you'll notice there is a rubber gasket between the lense and housing. Changing that gasket will help the problem.


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Old 11-27-2013, 10:12 AM
Brendan K Brendan K is offline
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Moisture in Headlamp

Thank you for the advice on the headlamp Alex. So how can I go about finding a gasket for the housing of the headlamp for this issue? Such an odd part must be a hard find and I hope they don't require to order a whole headlamp.
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Old 11-27-2013, 12:09 PM
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moiz21 moiz21 is online now
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Not that hard to find. Use realoem.com when looking for part numbers. Here you go: 63128380210
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Old 11-27-2013, 10:46 PM
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JayKayo JayKayo is offline
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I've had the same issue just last month.
To be honest, if you can just find the hole where the moisture is getting in, you can seal it up using some stuff you can find laying around your place. If the hole's small enough, even super glue could work - assuming it's not anywhere where it comes into contact with other things.

I just happened to have some extra sealant around my headlights from the last time it was baked and opened up. Left the hood up and the car facing the sun for a bit. After it dried, tore off a piece of the silicone and plugged up the hole.
It rained for a few days after but no more moisture.
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