Congrats on a great colour choice !!!
And for your choice of grills !! Yes, Glacier silver really does best show off the lines of the car. It is a slightly richer and creamier silver than Titanium. The fact that this colour so far seems to be relatively rare only adds to its appeal for me.
Why the folks @ BMWNA chose the 11 slat version grills for the M Sport package is beyond me ? The Euro M Sport grills that you and I have retro-fitted are a subtle improvement.
Your black wheels also look good on Glacier silver.
Enjoy your new ride !