Help me confirm I have the right BB for my new Bianchi

Hey guys,

I just purchased a Bianchi Oltre XR4 frameset and plan on building the bike mostly on my own. The specs on the Bianchi site state the bike uses "BB PressFit 86.5x46mm" I purchased the drivetrain, Dura Ace 9150, through Merlin Cycles with the only info on the bottom bracket being,...