It depends. The dust will get caked on and will be a PIA to get off if you allow the dust to clump up and get baked onto the wheel.
Don't think wet driving will do anything but kind of clean your wheels.
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2018 F30 320iX Melbourne Red
2011 E90 M3 Monte Carlo Blue
2004 E46 M3 Imola Red
2000 E36/7 Z3 Steel Blue
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