BMW with this set of four genuine OEM 18" alloy wheels. The 5 spoke design and silver color of these wheels give your car a stylish upgrade. These wheels have a one-piece structure and are from the factory, ensuring their authenticity. The wheel set comes with 8" front and 9" rear rim width and has a bolt pattern of 5x120 with a compatible fastener seat type of lug bolt. The offset is 42 in the front and 30 in the rear, providing a perfect fit for the front and rear placement on your vehicle. These wheels are suitable for BMW Z4 2003-2008 models.