My LSP is still P21S/S100 Concours Carnuba wax for many years. I'm thinking of trying BFWD, but I'm more than happy with the look of the wax and happy enough with the length of protection.
I detail once per year with machine, usually in the spring, and then try to wax monthly or so for as long as the good weather lasts. I'll put on 2-3 coats when I think my last "fall" wax is, and hope that I can do a quick wax on an unexpected nice day around February to make it through the winter.
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