Project Chicago. It's about the Alpina supercharged version of N62 but very interesting to see all episodes. Actually this is the other of the only two Youtube channels I follow.

https://www.youtube.com/watch?v=SVM3xeCWuY8&t=1056s

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E39 530dA -02 M-Sport Messing metallic
E53 X5 3.0dA -06 Sport Stratus grey
E70 X5 40d -12 M-Sport Space grey