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      07-16-2023, 02:30 PM   #16
Michael9218
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Drives: 2007 Z4 M Coupe
Join Date: Oct 2012
Location: Woodstock, GA

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Hard coat is probably not necessary if you put film over it. Just know that the shape of our windshield is really curved and is very difficult to lay the film down. I ended up cutting the film to 16” height and only covering my viewing area under my 11” banner. You also won’t find one pre-shaped to our windshield, so you need to keep the old glass and use it to form the film with heat.

As for the thickness and center support, no issue at all with the 6mm windshield without a center support.
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