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E36 /7 Z3 (1996-2002)
E36/7 Z3 roadster and coupe talk with our gurus here.

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  #1  
Old 05-01-2012, 05:11 PM
DaveBZ3 DaveBZ3 is offline
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Location: Atlanta, Ga
 
Join Date: Feb 2012
Posts: 85
Mein Auto: Z3
Windblox - Acrylic or Lexan?

I'm planning to order one of their wind screens. I noticed that for an extra $15 more you can get it in lexan. I guess it's suppose to be more scratch resistant. Can anyone tell me if they think it's worth the extra money? Thanks.
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  #2  
Old 05-02-2012, 05:24 AM
Bucko521 Bucko521 is offline
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Location: Regina, SK, Canada
 
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Posts: 301
Mein Auto: 2006 BMW Z4 3.0i
Quote:
Originally Posted by DaveBZ3 View Post
I'm planning to order one of their wind screens. I noticed that for an extra $15 more you can get it in lexan. I guess it's suppose to be more scratch resistant. Can anyone tell me if they think it's worth the extra money? Thanks.
Hope this helps,

Key characteristics/differences, Acrylic (Plexiglass) compared to Polycarbonate (Lexan):

More likely to chip, less impact resistance then Polycarbonate. (still 10-24 times more resistant than glass)
Less likely to scratch.
More of a consumer (household) level and is easier to find at hardware stores.
Does NOT yellow after time.
Better clarity and can be restored to optical clarity.


Key characteristics/differences, Polycarbonate (Lexan) compared to Acrylic:

Impact/chip resistance is much higher with Polycarbonate. (about 30 times more resistant than glass)
More likely to scratch.
Substantially more expensive. (roughly 2 to 3 times)
Used for more industry applications
Bulletproof when thick enough.
More bendable.
More formable.
Yellows over time due to ultraviolet rays
Easier to work with (cut, less likely to break)
Poorer clarity, diffuses light, can lighten (could be positive).
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  #3  
Old 05-02-2012, 07:15 AM
comsult comsult is offline
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Location: Canada
 
Join Date: Jun 2011
Posts: 88
Mein Auto: 2001 Z3
Just purchased and installed the Acrylic version.
Purchased with no options.
Very easy to install.
I still have the OEM Mesh style windscreen which I removed.
I think I would like to add about half and inch to the bottom of the Windblox Windscreen to bring it up a little bit higher.
No problems, but I think there would be a little less turbulance if raised about half an inch.
So what I'm planning on doing is get a clear shower door sweep and slid it onto the bottom of the windscreen.
This should raise it up to the level I'd like.
I'll post here if it makes any difference to me.
I think it is quieter and less turbulent in the cockpit with the solid, rather than mesh screen.

On another point. I had to do some work on the windscreen before I installed it.
Since I did not get the polished edge option. I had to lightly sand one side of the edge all the way around to remove a sharp lip that was probably left when the cut was done.
It wasn't a problem, but just a heads up.
The sharp lip was only on one side of the edge, and all the way around.

On the plus side, the screen came well packaged with bubble wrap and about 2 layers of plastic wrap directly on the screen to preven any scratching.

To me it was well worth the money I paid.
Windblox made an exception on the shipping for me as well.
Since I live in Canada, the preferred shipping company would have cost me an additonal 50 to 70 percent on the cost with their "Customs Brokerage Fee"
I requested USPS shipping and it came through customs without any additional costs.

I highly recommend Windblox for their value for money product and their outstanding customer service.
Greg.
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  #4  
Old 05-02-2012, 09:47 AM
Rainman519 Rainman519 is offline
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Location: Ohio
 
Join Date: Mar 2011
Posts: 96
Mein Auto: 328i Coupe
I've got the acrylic (smoked) and have had no scratching etc problems. Make sure to get the clear straps with whatever you decide on.
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  #5  
Old 05-02-2012, 05:39 PM
Bucko521 Bucko521 is offline
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Location: Regina, SK, Canada
 
Join Date: Sep 2010
Posts: 301
Mein Auto: 2006 BMW Z4 3.0i
Quote:
Originally Posted by Rainman519 View Post
I've got the acrylic (smoked) and have had no scratching etc problems. Make sure to get the clear straps with whatever you decide on.
I have to agree on the straps...mine came with grey coloured ones...not so noticeable...but not nearly as nice as the clear ones would have showed.
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