X6 (F16, F86). The hardness of the crankshaft can reach HRC50, with high standard quality. xDrive 30 d 08.2014 - 07.2019 204 277 2993 N57 D30 A. xDrive 30 d 08.2014 - 07.2019 190 258 2993 N57 D30 A. xDrive 30 d 08.2014 - 07.2019 155 211 2993 N57 D30 A.