Condensation in zed offside fog light

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tonym
Joined: Thu 03 Sep, 2009 21:15
Posts: 90

  Z4 roadster 2.5i
Location: Guildford

Condensation in zed offside fog light

Post by tonym » Mon 11 Mar, 2013 15:09

I've got condensation in the offside fog light . Anyone got Amy easy repair tips or other experience?.

Z3cade
Joined: Sat 09 Jan, 2010 18:18
Posts: 2634

  M roadster S50
Location: Peterborough

Re: Condensation in zed offside fog light

Post by Z3cade » Mon 11 Mar, 2013 15:23

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dallantan
Joined: Mon 11 Jun, 2012 23:04
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  Z3 roadster 2.2i

Re: Condensation in zed offside fog light

Post by dallantan » Mon 11 Mar, 2013 16:02

pull out all the silica (DO NOT EAT) packets from your old shoe boxes and put them all in the light.
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weegeoff
Joined: Sat 01 Aug, 2009 20:15
Posts: 80

  Z4 roadster 2.0i
Location: Portavadie

Re: Condensation in zed offside fog light

Post by weegeoff » Mon 25 Mar, 2013 16:47

If I am out in the evening I run with the fog light on. It will clear :rtm:

mjgerrard
Joined: Mon 28 Jan, 2013 21:11
Posts: 22

  Z4 coupe 3.0si

Re: Condensation in zed offside fog light

Post by mjgerrard » Wed 03 Apr, 2013 22:49

Haha I also have this. Very odd.

tonym
Joined: Thu 03 Sep, 2009 21:15
Posts: 90

  Z4 roadster 2.5i
Location: Guildford

Re: Condensation in zed offside fog light

Post by tonym » Wed 03 Apr, 2013 23:53

Actually I've used a suggestion posted on a forum on this subject . It involves drilling several small holes in the underneath of the lense which allows the condensation to drain. I also drive with the lights on to heat them also , effective and inexpensive repair.

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Southernboy
Joined: Thu 07 Oct, 2010 13:39
Posts: 6312

  Z3 roadster 3.0i
Location: Johannesburg

Re: Condensation in zed offside fog light

Post by Southernboy » Thu 04 Apr, 2013 06:58

The foglights have a well made clip down rear half. If the seal is in good condition, water shouldn't be able to get into the housing. I would check that seal, as well as the entry points of the wires. Perhaps a small ammount of silicone at the wire entry points, and some "presstik" around the housing seal. The presstik will seal it up and still allow you to open it easily if you need to replace a bulb etc...Drilling holes is not really a solution, as water vapour will get in, and eventually mess up the reflector or even create an electrical short. Replacement units aren't cheap, and generally go for around £40 - 50 each on eBay. It's worth opening it up, gently cleaning / drying it out, and sealing it apropriately.
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Sp1key
Joined: Wed 01 Feb, 2012 18:06
Posts: 124

  Z4 coupe 3.0si
Location: Bath

Re: Condensation in zed offside fog light

Post by Sp1key » Sat 13 Apr, 2013 08:34

Tried the hairdryer fix on mine a few weeks ago thinking the spring was here but on checking today the condensation is back......bahhhhhh

The twist / turn bulb holders are extremely tight as it is so its difficult to see how I could add any addditioal sealer and still be able to tighten it

Not tried running the fogs to dry them out though :roll:
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