This will be an unpopular opinion for sure but I haven't been a fan of BMW's headlight design for the 21st century, Audi just had that piece more figured out in general. I miss the sweeping animation on my RS7, it was cool as shit every time you locked or unlocked the car. Even the LCI, I like them more than the pre-LCI, different while still looking like a BMW, but I've never thought it was a part of the car they did as well as Audi or a few other manufacturers. Just one tiny part of a car though, and clearly I love the M enough otherwise to be driving one.
EDIT: Added a video to show what I meant, hah:
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