In the 2011–12 season, Dirar became one of the most productive players at the club, tallying the most assists for Club Brugge that season (11). He started the season well when he scored his first European goal in the first leg of the UEFA Europa League qualifying phase, in a 4–1 win over Qarabağ, and went on to progress to the next round despite losing 1–0 in the return leg. Dirar scored again in the Europa League group stage and set-up another in a 2–0 win over Maribor. He followed this by scoring his first league goal of the season, in a 2–1 win over Lokeren on 18 September 2011, as well as setting-up another goal. Between 26 October and 30 November, he scored seven goals in six appearances in all competitions, against Gent, Genk, Standard Liège, Cercle Brugge and scoring a brace against Maribor in the Europa League.