I would black out the inside grill portion of the kidneys and leave the outside chromed. It would look siiiick with your color and compliment the wheels you have for sure.
2016 M4 | SS | SO | 6MT
Exec Pkg | Adap M | LED | M Perf Steering Wheel II
Swift Springs | AWE non-res Exhaust | CanFlap | UCP Pedal