Updated with renderings of the grille fully uncovered, with US size plates and European plates.
By @Skyexit
By @antzcrashing
By @Fhey
Here is the brand new production G22 4 series. What do you guys think?
The last photo is made by chucho1026 by taking the leaked image, splitting it down the middle, creating a mirror image of the right half to produce an uncovered left half, and splicing that with the right half of the original.