Always start with least aggressive. Use a compounding pad with a medium to heavy cut polish and see how much you can take care of. Then follow up with fine pad and finish polish, then seal them.

Tape off the paintwork and use 4" pads on a DA. Do you own a polisher?

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2018 Ram 2500 6.7L Cummins 68RFE
19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed
2013 X5 35D (CEO's) - Born on 5/17/2013 -
82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards