There is
a very long thread on BW 107 Forum about replacing tops. Quite a few 107 owners (including me) replaced their own tops. Not a job for the faint of heart, but it can be done.
I went with the best quality fabric, but actually regret it. It is very stiff and the tops doesn't fold that well. It caught on the boot top edge seal and has worn it away. If I was to do this again, I might go with the lighter Stayfast.
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Graham
85 300D

,72 350SL, 98 E320, Outback 2.5