I always thought it was a great thing when cars went from soft fabric or vinyl tops to folding hard tops. A hard top is much better in an environment where the car and passengers are subject to temperature extremes. A hard top over your head will keep out the heat in the summer and cold in the winter much better than anything fabric. The downside is that the retracting hard tops are heavier and more expensive.
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https://www.slashgear.com/next-gen-bmw-4-series-convertible-to-dump-folding-hard-top-to-save-weight-10396222/
