2014-2020 BMW 4 Series (F32 / F33 / F36) M Performance Style Carbon Fiber Rear Diffuser

The Kies Carbon 4 Series M Performance style carbon fiber rear diffuser offers incredible styling, quality engineering/manufacturing, at wallet-friendly prices. The M Performance package is one of the most highly sought after aero-aesthetic upgrades, because the upgrades make such a dramatic impact to the exterior appearance of your ride! Our Kies Carbon M Performance style upgrades serve the sole purpose of attaining that factory look without paying the factory price. Our F32 carbon fiber M Performance style rear diffuser will fit any 204+ BMW 4 series that is equipped with the M Sport package, and if you don’t have the M Sport package you can look into upgrading with one of our Kies Carbon aftermarket M Sport style bumper conversion kits. Kies Carbon aerodynamic upgrades are constructed from industry standard 2x2 weave 3K carbon fiber fabric for a clean look and superb strength. It is also finished with a long lasting, high quality gloss coat finish so your parts will not only look g