The BMW M Performance Carbon Fiber Rear Diffuser (Part # 51192350697) for the F80 M3, F82 & F83 M4, is made with the same level of quality craftsmanship as the rest of the BMW M Performance Parts. Not only does this carbon fiber rear diffuser look incredible, it was designed specifically by BMW's M Performance division to enhance aerodynamics and improve drivability on track conditions. 

This F80 M3 F82 & F83 M4 Carbon Fiber Rear Diffuser is a Genuine BMW M Performance Part, ensuring a flawless fit and finish. Installation does not require any sort of drilling or modification to the rear bumper- this rear diffuser simply bolts up to the factory mounting points underneath the OEM rear bumper. 

The full line of BMW M Performance Aero options from the M Performance division provide a more sporty and aggressive look, while enhancing the already well designed body lines and curves. All BMW Performance carbon parts are 2x2 weave.