BMW OEM 2019+ F97 X3 M F98 X4 M Rear Bumper Diffuser Carbon Fiber Brand NewYou are looking at a brand new pair of genuine BMW Carbon Fiber Rear Bumper Diffuser for a BMW F97 X3 M 2020+ and F98 X4 M 2020+. Yours will be brand new in factory packaging. This will replace the stock diffuser you presently have if you did not choose the carbon fiber package when ordering your X. Please allow three to four weeks for delivery and consider this information when leaving detailed feedback If you like the look of this upgrade, you'll