The 2021 BMW 4 Series Convertible is arriving with a new fabric roof. Replacing the cumbersome folding hardtop of the outgoing 4 Series Convertible, the new soft-top roof is 40-percent lighter and folds in 18 seconds at speeds up to 31 mph.
Sure, a folding hardtop ensures better protection against harsh weather elements, but BMW insists its new soft top is good enough for all-weather driving.
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