RW Carbon OEM Style Carbon Fiber Diffuser for BMW G8X M3/M4This BMW G8X M3 M4 OEM Style Carbon Fiber Diffuser offers the peak aggressive appearance for your M3 or M4. Our new rear diffuser features an aggressive design to enhance the rear visual appeal of your vehicle. The G8X M3 M4 OEM Style Full Carbon Fiber Diffuser will seamlessly match other RW or OEM parts you have on the vehicle as we craft them from genuine 2x2 weave carbon fiber. We know our customers care deeply about the parts they choose to