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Re: Windshields & Installation (archive)

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Posted by AG on September 26, 1998 at 12:21:48:

In Reply to: Windshields posted by Ernie V on September 25, 1998 at 23:19:14:

Could you please post the difference between the "regular glass" and the "premium glass"?

Also what are the brands of the glass that you have the choice of?

Does one have less optical distortion that the other?

Also be very careful about having a new windshield installed. Unless the installer is an expert, you will end up with significantly more wind noise at highway speeds. Most glass companies do not do a great job of precisely aligning the windshield in the frame compared to the factory. I believe that there is actually a jig that is for the E39 which should be used. It will indicate the exact depth that the windshield should be set into the frame. Also I believe that the windshield should be pushed down from the top in the frame. (This is different than the exact depth which the windshield is set into the frame.) This too is critical to acheive the precise aerodynamic flow of the wind over the top the way it was designed by the BMW factory.

If you either do or don't have problems with the new windshield or the installation, it would appreciated if you would please post the results.

: I am having the windshield of my E39 528 replaced next week. Well, the glass company asked if I wanted standard or premium glass. Oh, must be premium glass if given a choice. I'm surprised that there was a choice.

: The reason that I'm having the replacement is that I put a zillion cobweb scratches in the glass while aggressively removing Rain X. I've never been satisfied with the cleaning action of the windshield wipers which prompted me to try Rain X. Unfortunately I didn't like the results and had to abrade it off according to the companie's reccomendation. Of course I tried new wiper blades before seeking solutions to the wet vision problem elsewhere. So now I'm going back to square 1 with new glass and hopefully things will improve.

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