Ferrari drivers Vettel and Raikkonen are gradually approaching the penalty position, they used in Russia, the third set of new turbocharger. Each driver of the season can only use four sets of each engine components, if more than the number, will be subject to abdication punishment. This year, the rules also provide for the use of one-stop game to replace multiple engine parts and store goods. Bahrain station first practice session, Ferrari Raikkonen stopped at the track mountain, they decided to replace the turbine, MGU-H and internal combustion engine. Ferrari customer team Sauber and Haas also hit their own car with a new turbine, which will be Eriksson, Ville Rheinland and Magnuson's second set, is the third set of Gros.