Rear Roof Spoiler Top Window Wing Lip For BMW X5 G05 LCI M Sport 2019-2024. Rear Trunk Lid Spoiler Wing Lip For BMW 5 Series I5 G60 525i 530i 2024-25 Black. When driving at high speed, the rear wing can increase the down force of the tail, which can improve the high-speed driving stability of the car.
