Nice pics, thanks for sharing. Gun metal looks nice. Its down to gun metal, hyper black, or diamond cut black. Either Apex Arc-8 or Alufelgen SF-71 (19").
Where did you guys have your wheels installed? Dealership or tire shop, like Firestone?
2014 Z4 35is - Valencia Orange Metallic with Alcantara/leather Black/Orange. 326M wheels.