The 2011-12 campaign was a difficult, yet pivotal season of reset for Arminia Bielefeld as Die Arminen, newly relegated from the 2. Bundesliga and battling serious financial issues, worked to stabilize in the 3. Liga. They ultimately secured a mid-table finish in 13th place. The season is primarily remembered for the arrival of the formidable Fabian Klos, who announced himself by grabbing 10 goals in his debut season, laying the foundation for the club's dramatic promotion push the following year. It marked the start of a new chapter and the rise of a modern-day club legend.