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You must work at NASA (archive)
[ Follow Ups ] [ 7-series (E32) Message Board ] [ Msg. Board FAQ ]
Posted by Gilbert on October 08, 2000 at 23:06:22:

In Reply to: Fogged Window update posted by guy simpson on October 06, 2000 at 17:06:19:

to get all the stuff to fix it.
Nice job, though!


I purchased a 92 750iL with a fogged up front pass window. This window is double paned. Once window removed, cut away 2" worth of sealant between the panes. Using a submersible aquarium pump, a citric acid and deionized water solution was plumbed inside the window. After about 6 hours of flushing, changed fluid to Isopropyl alcohol for 15 minutes and then to DI water for 1 hour. Then using high purity compressed air, evaporated all the water out. Lastly I flooded the interior chamber between the panes with high purity argon and sealed it with black silicone. You need to use 100mph, olive drab military spec duct tape, to retain the RTV while it sets up. Take off the tape an hour later and voila! Better than new, because I did it!




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