For me, I think the new M3 and M4 look perfect as they come off the production line but many people want to give their new performance machine a slightly unique look.
A new favorite is to go for the matte black approach but I see a golden finish is also making headway. Both options are shown in the pictures below. the gold wheels belong to MORR and the silky black wheels come from HRE.
To be honest I would never put gold wheels on such a sleek and good looking car so my choice would without a doubt be the HRE package. Which set of wheels floats your boat? Zero2turbo