AUTOTECKNIC CARBON FIBER REAR WHEEL ARCH EXTENSION SET - F90 M5Small rock chips can cause unsightly damage to your beloved F90 M5. AutoTecknic has specifically made the carbon fiber rear wheel arch extension set to prevent certain damage caused by smaller rock chips and guard against water puddles and newly paved tar on the road, not to mention that the extension on the rear wheel arches looks more modern. These AutoTecknic carbon fiber rear wheel arch extension sets utilize the original mounting location. They