H&R 12mm wheel spacer and bolt kit for 2021 and newer BMW M3/M4 (G8X) increases track width with a single 12mm spacer fitment and includes bolts for secure installation. This kit is developed for the M3/M4 hub pattern and helps achieve a wider stance and altered wheel offset while maintaining proper mounting with the supplied hardware.
H&R 2021+ BMW M3/M4 (G8X) 12mm Wheel Spacer & Bolt Kit