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      12-01-2012, 12:39 PM   #1
Jules59
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condensation in foglights

After all the recent floods Ive now got 2 front foglights that are completely fogged up with condensation. Any advice on how to clear them ?
Ideally the light units need to be placed in the warmth and vented to dry out the insides.
Are they easy to remove ? I presume you need to remove the front wheel arch liners.
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      12-01-2012, 01:14 PM   #2
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Turn wheel on opposire lock fully as this gives more acess
Remove wheel arch liner (dont need to remove fully just 3/4 screws enough to pull it back)
Fog light is held on with 3 bolts inside - may need to feel your way around with one of the bolts as its at an angle
Undo, unplug wiring and fog light comes out from the front

see my how to of bolt locations
http://www.e90post.com/forums/showthread.php?t=638171
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      12-01-2012, 01:17 PM   #3
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All I did was take the bulb out, heat the inside with a hair dryer, take a cloth taped to a pencil and wipe off all the condensation. Did the job, reinstalled the HID bulb, then put 3m tape around it. Perfectly fine now and never had the condensation come back.
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      12-01-2012, 02:14 PM   #4
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Thanks guys. That's sunday's job list sorted.
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      12-01-2012, 02:33 PM   #5
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I presume the round foglights on the MSport are very similar.
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      12-01-2012, 03:02 PM   #6
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should be
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      12-02-2012, 07:24 PM   #7
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Thought Id include some pics:

This is a wheel off task IMO - makes it so much easier.
Remove 7 screws (yellow arrows) and one really "stupid" plastic expanding clip (red arrow).
The plastic clip just pulls through but is damaged in the process. I replaced it with a better clip with a hammer in, screw out expander.
Pull back the wheel arch liner and wedge it behind the brake disk - giving lots of room to work.
Remove electrical connector and bulb from back of foglight unit.
Two clips hold the back on but allow it to rock - controlled by the adjuster on inner upper side.
Press open the clips gently to allow the back to come out of the rest of the light unit. Swing the back over the the inner clip so that it then lies to the inner side of the light module. Slide the two pins on the adjuster upwards and backwards out of the adjuster bracket grooves. (5 &6) The back is now free.
Clean and dry the light module and the back.
Clean the rubber O-ring (green arrow).
Replace in reverse order.
The mirrored finish had come off the inner surface of the back so I sprayed it silver but IO will get some spray mirror finish and do it properly.
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      12-03-2012, 05:27 AM   #8
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Great write up and something I need to do myself so I'll find this really useful
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