The product is a genuine OEM 18" rear wheel rim designed specifically for BMW E90, E92, and E93 models from 2007 to 2013. This 5-spoke wheel rim has a width of 8.5 inches and an offset of 37. Made of aluminum, it features a bolt pattern of 5x120. The wheel rim is a high-quality replacement part with the manufacturer part numbers 6768859 and 36116768859, ensuring a perfect fit and sleek appearance for your BMW vehicle.