I thought the same at first but for some reason the German website is referring to it as a "sub x1" model, which seems weird as it looks more sporty and sophisticated than both x1 and x3.

However, if it is an accurate render of the x4 then I wouldn't be surprised if the next gen of the other SAV's in the lineup follow the same lead for angels and kidneys, just like what happened with new 7 series -> 5 series GT -> new 5 series -> likely new 3 series will have same front kidneys and angels (with a sharper dropoff) as new 5...