Gloss Black M-Performance Side Skirt Extensions for BMW 4 Series models (including M4) F32, F33, F36, F82 M4 models. Genuine BMW M-Performance Parts. Part Numbers: 51772350718 and 51772350717. Taken off an F82 M4. Signs of wear and tear, could do with a wash/clean up and adhesive tape removal. Cash on collection only due to