For the most part, glass is glass, and while there are differences in hardness depending on the chemical construction and treatment scratches are common.
Sand, dirt, and any debris with a hardness that is above that of the glass will quickly scratch it. Every car I've owned has had a terribly pitted windshield shortly after ownership, especially due to the sand used on the roads in winter.
Moh money, Moh problems.
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Current: '20 X5, '18 M3 ZCP
Previous: '11 E90 335i, '11 E90 M3, '16 VW GTI, '15 M235i, '13 335i, '08 TL-S, '00 Corvette
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