#F1 #BudaTest: Kubica’s improved by 4 secs in the 90 mins. Best lap of 1:20.327

Robert Kubica's times have improved by four seconds in the opening 90 minutes of #F1Testing. A best lap of 1:20.327 https://t.co/EjiNYZLG3d http://pic.twitter.com/nCPixZx6Jp

— Sky Sports F1 (@SkySportsF1) August 2, 2017