EMD Auto Wheel Spacer Flush Kit - G80 M3 | G82 / G83 M4For those seeking a more aggressive stance on the stock 20" wheels, our flush spacer kit will help you get there! Included in the kit are: (2) 12. 5mm Front Wheel Spacers (2) 15mm Rear Wheel Spacers (20) Extended Wheel Bolts Our wheel spacers are manufactured out of high quality 6061 T6 aluminum, which is black anodized for corrosion resistance. We also machine slots into the back of each spacer, for ease of removal (gone are the days of chiseling the