RW Carbon BMW F15 X5 M Sport Carbon Fiber Rear DiffuserRW Carbon has finally released a diffuser for the Non M X5 owners out there. This carbon fiber rear diffuser fits all BMW F15 X5 models with the M Sport package. It is made of real carbon fiber in a 2x2 weave pattern. The diffuser is clear coated for a glossy finish and great protection from the sun's harmful UV rays. Each piece is quality checked and shipped from our southern California warehouse. This diffuser incorporates 2 medium sized fins that