A super realistic and highly detailed design of the 2026 BMW X6, showcasing the car from a straight rear view. The bumper is modified to appear sportier and more modern, featuring futuristic accents, aggressive exhaust cutouts, and bold diffuser details. The car is painted in a pure white color, situated in a completely empty indoor space with white walls. The environment is minimalistic, with no yellow/orange lighting, cinematic effects, or distracting elements. The details of the car are clear and vividly presented, with upscale 4x quality.+ use text