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E90/E91/E92/E93 (2006 - 2013)
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  #1  
Old 11-09-2013, 07:10 PM
ArnoldG ArnoldG is offline
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Question Headlamp gets foggy :(

Hi Bimmer's Community; I just purchased my first BMW (2008 335i) and love it, but have an issue; whenever I wash the car (not sure it happens when it rains) the driver headlamp gets foggy; I check it and it is not cracked anywhere. Once foggy, it takes a full day to dry up. Any ideas of why this happen?
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  #2  
Old 11-09-2013, 07:57 PM
fdriller9 fdriller9 is online now
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Check all the seals. Depending on which head lights you have, there can be up to 5-6 seals.
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Old 11-09-2013, 08:12 PM
ArnoldG ArnoldG is offline
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Thanks; actually I have only found one seal on the back cover, are there any others? I have the adaptive headlights - Thanks
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Old 11-09-2013, 10:30 PM
twhisten twhisten is offline
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You are getting condensation and/or water in there. Check the connections where the bulbs go
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Old 11-10-2013, 05:33 AM
fdriller9 fdriller9 is online now
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You need to remove the headlight. There is a seal on the bottom for the smc II module. A seal for the ballast. Seal around the angel eye cover. Back cover seal which you found. There is a seal around the wiring harness to seal to the housing. And seals for each individual wire in the wiring harness to seal the wires within the harness itself.
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Last edited by fdriller9; 11-10-2013 at 05:35 AM.
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  #6  
Old 11-10-2013, 07:45 AM
ArnoldG ArnoldG is offline
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Smile

I see, ok; I will remove the entire headlamp as you suggest and check seals.
I really appreciate your input - Thanks !
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Old 11-10-2013, 07:49 AM
hondo402000 hondo402000 is offline
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welcome to the Not so easy to fix BMW group
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Old 11-11-2013, 12:35 PM
fdriller9 fdriller9 is online now
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Keep in mind, headlights are not air tight. There are pressure vents on the top and bottom of the housings. As the lighting equipment heats up, the moisture in the air expands. The vents provide an outlet for pressure to vent. Once the temps lower and pressure falls, air will be drawn in through the vents, which can also pull in moisture along with it.

Even though there shouldn't be much condensation in your headlight, there is always the possible for a little bit.
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