I am trying to piece together a good system of steps for washing my jet black e46 m3 this spring/summer. How does dg 901, menzerna FMJ, zaino z6, nattys blue then z8 sound? Im not totally sure if the Z8 is necessary, but would it be a good last step product over a coat of the menzerna sealant and poorboys wax? Any help would be appreciated. Thanks
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