The 2018 Bahrain FIA Formula 2 round was a pair of motor races for Formula 2 cars that took place on 7 and 8 April 2018 at the Bahrain International Circuit in Sakhir, Bahrain as part of the FIA Formula 2 Championship. It was the first round of the 2018 FIA Formula 2 Championship and ran in support of the 2018 Bahrain Grand Prix. The round saw the competitive début of the new Dallara F2 2018 chassis and its turbocharged Mecachrome engine. The F2 2018 was introduced as a replacement for the aging Dallara GP2/11 chassis and its naturally-aspirated engine, which had been used by the championship and its predecessor, the GP2 Series since 2011. Report Background The race saw the introduction of a brand new chassis to replace the Dallara GP2/11 which had been used since 2011 when the series was known as the GP2 Series. The new car, the Dallara F2 2018, features substantial technical revisions to its design, making it similar to the current Formula One cars. It features the "halo" cockpit protection device for driver head protection and is also powered by a brand new engine, a 3.4 litre (207 cu in) single-turbocharged V6 engine developed by Mecachrome. This was brought in as a replacement for the 4.0 litre (244 cu in) naturally aspirated V8 engine which was used since the GP2 Series began back in 2005. Driver changes for this season saw reigning champion Charles Leclerc join Formula One with the Alfa Romeo Sauber team, replacing Pascal Wehrlein. His teammate from Prema Racing last year, Antonio Fuoco, joined the new Charouz Racing System team, joining Louis Delétraz, who joined the team after racing with Racing Engineering and Rapax in . Reigning teams' champions Russian Time signed Japanese driver Tadasuke Makino to partner Artem Markelov. Luca Ghiotto, who raced for Russian Time in 2017, joined Campos Racing. DAMS signed Alexander Albon to replace Oliver Rowland, Prema Racing brought in Sean Gelael and Nyck de Vries, and MP Motorsport signed Roberto Merhi and Ralph Boschung, who were also teammates at Campos at the Catalunya round in 2017. Other débutants this season were Roy Nissany, son of Chanoch Nissany, who joined Campos, Maximilian Günther and Nirei Fukuzumi, who both moved up from the FIA Formula 3 European Championship and GP3 Series respectively with BWT Arden, Arjun Maini, who also graduated from the GP3 Series, joined Trident, partnering Santino