The product is a set of three genuine BMW 21-inch aluminium alloy wheels, specifically designed for the X3 G01/X4 G02 M40i/M40d models. With an offset of 30 and 43mm, these wheels have a wheel diameter of 21 inches and a width of 8.5 and 9.5 inches. The manufacturer part numbers are 36107916272 and 36107916273, and they come with five studs. *They are in need of a refurb as they have kerb markings across all four of them*