Eibach Mustang 20mm Pro Spacer Hubcentric Black Wheel Spacers S90 4 20 Eibach Spacers bmw G20 3 series track widening black 30MM Wheel Spacers by Eibach Moss Miata Eibach Wheel Spacers Cherry Tuning & Performance. Eibach PRO SPACER Wheel Spacers for the 2019 2023 BMW Z4 are the ideal solution for improving stability and handling, increasing clearance for larger tires, and giving your vehicle that aggressive and commanding presence. By widening the vehicle's track width, wheel spacers lower the center of gravity, reduce body roll, and ultimately enhance capability of your vehicle on or off road. Standard Features Widen Your Stance For Better Handling. Made from High Strength Aircraft Aluminum Alloy. Precision Engineered Hub Centric for Perfect Fit and Wheel Balance. Reduced Weight Compared to Steel Wheel Spacers. Kit Includes 2 Spacers and all necessary mounting hardware. Specifications Part Number S90 7 30 059 Part Name Wheel Spacer Vehicle 2019 2023 BMW Z4 UPC 00803050497093 Bolt Pattern 5x112 mm Hub Center 66. 5 mm Material Aluminum Color Silver Notes This Kit includes additional wheel bolts to mount the wheel. When using this kit you have to use these wheel bolts as the original bolts are too long to mount the wheel. Vehicle Fitment 2019 BMW Z4 2020 BMW Z4 2021 BMW Z4 2022 BMW Z4 2023 BMW Z4