Hi. I'm a newbie. Currently I have ColorX topped with NXT on my red bmw. I plan on doing a wolfgang sealant / natty's blue combo. My question is, do I have to remove what I have on the car currently or can I just apply the WG on top of the NXT and then Natty's blue on top of that the next day? If it is better to remove everything before applying WG would colorX do the job? I also have Mother's pre-wax cleaner at my disposal.
Thanks in advance.
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