Autobuzul was promoted to Divizia C at the end of the 1967–68 season, finishing 1st in Series I of the Bucharest Municipal Championship. However, Autobuzul lost the Municipal Championship final to Voința București.[4][5]
In the first season in the third division, Bercenarii finished in 4th place, and in the following season, Autobuzul won Series IV of Divizia C but missed promotion to the second division, finishing 4th in the play-off group held in Brașov. The squad included the following players: Ocea, Pandele, Opriș, Diaconu, Baicu, Ivan, Gerea, Rențea, Tănase, Andrei, Cărbuneanu, Radu, Postelnicu, Popescu, Jipa, Bobin, Vîrban, Constantin Tiniche, Dincă, Petculescu and Pipoi.[3]
After another two seasons in Divizia C, finishing 12th in the 1970–71 season and 3rd in the 1971–72 season, Autobuzul managed to promote to Divizia B. This promotion was achieved at the end of the 1972–73 season, when the team finished in 2nd place. The club’s leadership included engineer Vasile Cornac as association president and C. Băcanu as head of the football division. Coach Emil Samureanu was responsible for this achievement, assembling a squad of players who contributed to the team's success. The team included players such as Matache, Pandele, Diaconu, Gostin, Popescu, Bobin, Radu, Cosma, Maruneac, C. Tiniche, Chiriță, Cațaros, Stănescu, Ivan, Bică, Melencovici, Nicolau, Ion Cățoi, Rențea, Dăncescu, Ghiță, Riocsan, Petculescu, and Ciferidis.[3]
Autobuzul returned to second division at the end of the 1988–89 season, finishing 1st in the Series V of Divizia C. The squad coached by Gheorghe Pareșcura was composed from following players: Ene, C. Cristescu, Marius Curelea, Roșu, Ursu, Dumitru, Dițu, Virgil Cârstea, Salami, C. Nicolae, Iliescu, Silviu Cristescu, Mihai Dărăban, Iordache, Pantelimon, Butoi, M. Ploaie, R. Voinea and Tănase.[6]
^ abcMihai Ionescu & George Tudoran, Fotbal de la A la Z – Editura Sport-Turism 1984.
^"S-a încheiat campionatul bucureștean de fotbal" [The Bucharest football championship has ended] (in Romanian). Informația Bucureștiului. 2 July 1968. p. 3. Archived from the original on 8 June 2023. Retrieved 1 October 2024 – via adt.arcanum.com.
^"Voința—campioană a municipiului București la fotbal" [Voința—champion of the city of Bucharest at football] (in Romanian). Informația Bucureștiului. 7 July 1968. p. 3. Archived from the original on 1 October 2023. Retrieved 1 October 2024 – via adt.arcanum.com.
^"Vă prezentăm noile promovate în Divizia B" [We present the new promoted in Divizia B] (PDF) (in Romanian). Sportul. 17 August 1989. p. 3. Archived(PDF) from the original on 29 September 2024. Retrieved 29 September 2024 – via bibliotecadeva.eu.