This rear bumper diffuser is an original BMW part designed for BMW 3 Series M3 F80 and 4 Series M4 F82 F83 models. It enhances the aerodynamic profile of your vehicle and gives it a sporty appearance. Specifically crafted for high-performance cars, this part fits seamlessly onto the rear bumper.
Part 51128058758 is identified as number 03 in the diagram.