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2010 2011 BMW 5 Series Forum F10 BMW 5-Series (F10) Forums General 5-Series Sedan and Wagon (F10 / F11) Forum Dust in headlights is it normal?
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      12-12-2012, 12:51 PM   #1
Breach
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Dust in headlights is it normal?

I washed my car recently and I noticed that there's some dust in the headlights (xenons). Is this normal? Aren't they supposed to be hermetically sealed? Obviously I've never messed with them. Thanks.
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      12-12-2012, 03:43 PM   #2
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doesn't sound right to me, post a picture. Not sure how much you are talking about.
I too thought they were sealed so you don't get condensation in them.
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      12-12-2012, 05:46 PM   #3
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Quote:
Originally Posted by AP View Post
doesn't sound right to me, post a picture. Not sure how much you are talking about.
I too thought they were sealed so you don't get condensation in them.
I believe the light units do have vent holes to get rid of condensation. They are not sealed. Mine sometimes get a little condensation and I asked dealer who said its quite normal to get a little condensation but this should disappear soon after the lights are activated.
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      12-13-2012, 05:37 PM   #4
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I don't have any dust but both lights have had condensation when the car was hot and the rain was cold and once when I hand-washed the car. It dissipates quickly with lights off and very fast with the lights on.
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      12-13-2012, 06:01 PM   #5
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Quote:
Originally Posted by MalithS View Post
I believe the light units do have vent holes to get rid of condensation. They are not sealed. Mine sometimes get a little condensation and I asked dealer who said its quite normal to get a little condensation but this should disappear soon after the lights are activated.

I also believe this to be correct
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