BMW 5 Series Mild Hybrid Estate AWD -- G31 520 d Mild-Hybrid xDrive 2019 2020 2021 2022 1995cc 140KW 190HP B47 D20 B JA1. BMW 4 Series Mild Hybrid Coupe RWD -- G26 420d Mild-Hybrid 2021 2022 1995cc 140KW 190HP B47 D20 B JA1.