BMW 3 SERIES M SPORT G20 LCI SALOON 2022 2023 2024 REAR BUMPER 5112 8085480. This bumper may have. Scratches or Usage Marks. Bumper Part Number : 5112 8085480. Diffuser Part Number : N/A. Only Available on Collection. Can be made from. 44 Bideford Avenue, Perivale, London UB6 7PP.