Customadeonly offers a set of four 20mm wheel spacers with an M14x1.5 thread size and a 5x120mm bolt pattern, designed to fit BMW vehicles. The spacers are made of 6061 T6 Billet Aerospace Aluminum with a Dacromet finish for super corrosion resistance and high-temperature performance. The special notch design allows for easier dismounting. They come with extended bolts and are suitable for the rear, left, front, and right placement on the vehicle. The hub bore is 66.9mm center bore/71.5mm wheel, and the spacers have a silver finish. The product includes a 5-year manufacturer warranty.