This product is a single BMW 20" 5 Series M Sport 759i Individual front alloy wheel with a wheel diameter of 20 inches. It is made of aluminium, has a stud diameter of 112mm, a centre bore of 66.6mm, and a wheel width of 8 The wheel is a genuine BMW part with the manufacturer part number 8053501. It is a high-quality, premium wheel that offers both style and performance. The wheel has a crack on the edge, but would be able to repaired. See picture for detail.