The K3 League announced on November 18, 2016 that they would be adding Busan FC to the league for the 2017 season . Lee Dong-won was hired as a coach. The club finished its premiere season in the K3 League Basic in 6th place and just failed in the play-off games. The cup season ended for the club in the first round. There they played at home against U-League member Gwangju University and just lost the game 2: 3. In the following season, the club was able to improve significantly. After the end of the regular season they were in third place in the league, which qualified them for the play-off games. Shortly after the end of the regular season, however, the club announced that it would leave the league due to financial difficulties and no longer play the play-off game. It is not yet clear in which league the club will compete next season. In the Korean FA Cup, the club surprisingly failed in the first round to the amateur team of SMC Engineering with 1: 2.