Genuine BMW M Performance carbon fiber rear diffuser fits the the 2021+ G80 M3 and G82/G83 M4 models. This is the same diffuser included with the M Carbon Exterior Package.

Vehicle Fitment:
2021 BMW M3 (G80)
2021 BMW M4 (G82)
2021 BMW M4 Convertible (G83)

Includes:
(1) Carbon Fiber Diffuser

Part Numbers:
51128075031
51-12-8-075-031