History:Founded: 1961
In 2009, the Bayer company cut down sponsorship and the club went down to Germany's Regionalliga (fourth division) to restructure. The license for the Basketball Bundesliga was transferred to the newly formed Giants Düsseldorf.
League achievements:
German Bundesliga Champion -1970, 71, 72, 76, 79, 85, 86, 90, 91, 92, 93, 94, 95, 96German 2.Bundesliga Pro B Champion -2013, 19, 25 German 2.Bundesliga Pro A Semifinals -2022 German 2.Bundesliga Pro A Finalist -2021 German 2.Bundesliga Pro B (Group South) Regular Season Champion -2019 German 2.Bundesliga Pro B (Group North) Regular Season Champion -2025 German 2.Bundesliga Pro B (Group North) Regular Season Runner-Up -2024 German Cup Winner -1970, 71, 72, 74, 76, 86, 87, 90, 91, 93, 95
European cups:
1985-1986: Euro Cup of Champions1986-1987: European Cup 1988-1989: European Cup 1989-1990: Euro Cup of Champions 1990-1991: Euro Cup of Champions 1999-2000: Korac Cup 2000-2001: FIBA Suproleague: took 9th place (6-12) in Group B 2001-2002: Korac Cup: took 2nd place (3-3) in Group A, lost in the 1/8 Finals to Nancy  |
| Since 2000 |
 Until 2000 |
League positions:
| Season | Tier | Division | W-L | Position + PlayOff | Cup | European competitions |
|---|---|---|---|---|---|---|
| 1967-68 | 2 | Regionalliga | 1st  | |||
| 1968-69 | 1 | Bundesliga | 30-6 | 2nd (Group North) | ||
| 1969-70 | 1 | Bundesliga | 1st  | Winner | ||
| 1970-71 | 1 | Bundesliga | 6-0 | 1st (Group B) | Winner | |
| 1971-72 | 1 | Bundesliga | 1st (Group B) | |||
| 1972-73 | 1 | Bundesliga | 6-6 | 1st (Group B)  | ||
| 1973-74 | 1 | Bundesliga | 2nd | Winner | ||
| 1974-75 | 1 | Bundesliga | 10-2 | 2nd (Group A) | ||
| 1975-76 | 1 | Bundesliga | 15-3 | 1st | Winner | |
| 1976-77 | 1 | Bundesliga | 2nd | |||
| 1977-78 | 1 | Bundesliga | 3rd | |||
| 1978-79 | 1 | Bundesliga | 1st | |||
| 1979-80 | 1 | Bundesliga | 2nd  | |||
| 1980-81 | 1 | Bundesliga | 2nd | |||
| 1981-82 | 1 | Bundesliga | 4th | |||
| 1982-83? | 1 | Bundesliga | 3rd | |||
| 1983-84 | 1 | Bundesliga | 2nd, lost in Semis 1-2 to BSC Saturn | |||
| 1984-85 | 1 | Bundesliga | 1st beat Charlottenburg 2-0 in the Finals | |||
| 1985-86 | 1 | Bundesliga | 20-2 | 1st beat BSC Saturn 2-0 in the Finals | Winner | Euro Cup of Champions |
| 1986-87 | 1 | Bundesliga | 18-2 | 1st lost in Finals 0-2 to BSC Saturn | Winner | European Cup |
| 1987-88 | 1 | Bundesliga | 19-3 | 1st lost in Finals 1-3 to BSC Saturn | ||
| 1988-89 | 1 | Bundesliga | 17-5 | 3rd lost in Finals 2-3 to Bayreuth | European Cup | |
| 1989-90 | 1 | Bundesliga | 20-2 | 2nd beat Bayreuth 3-1 in the Finals | Winner | Euro Cup of Champions |
| 1990-91 | 1 | Bundesliga | 30-2 | 1st (Group North) beat Charlottenburg 3-2 in the Finals | Winner |  Euroleague: 6th (6-8) |
| 1991-92 | 1 | Bundesliga | 28-4 | 1st (Group North) beat ALBA Berlin 3-0 in the Finals |  Euroleague: 5th (Group B) (7-7) | |
| 1992-93 | 1 | Bundesliga | 26-6 | 1st (Group North) beat Bamberg 3-0 in the Finals | Winner | Euroleague: 5th (Group B) (8-6) |
| 1993-94 | 1 | Bundesliga | 28-4 | 1st (Group North) beat Brandt Hagen 3-0 in the Finals | ||
| 1994-95 | 1 | Bundesliga | 28-4 | 1st (Group North) beat ALBA Berlin 3-0 in the Finals | Winner | |
| 1995-96 | 1 | Bundesliga | 24-2 | 1st beat ALBA Berlin 3-1 in the Finals | Finalist | |
| 1996-97 | 1 | Bundesliga | 15-11 | 4th lost in Semis 1-3 to ALBA Berlin | Euroleague: 6th (Group C) | |
| 1997-98 | 1 | Bundesliga | 12-12 | 8th, lost in Quarterfinals 0-4 to ALBA Berlin | ||
| 1998-99 | 1 | Bundesliga | 16-10 | 5th lost in Semis 0-3 to ALBA Berlin | ||
| 1999-00? | 1 | Bundesliga | 18-8 | 2nd lost in Finals 0-3 to ALBA Berlin | Korac Cup | |
| 2000-01 | 1 | Bundesliga | 18-8 | 2nd, lost in Semis 1-3 to Telekom Bsk |  SPRL: 9th (Group B) (6-12) | |
| 2001-02 | 1 | Bundesliga | 18-8 | 4th, lost in Quarterfinals 0-3 to ALBA Berlin | Korac Cup: took 2nd place (3-3) in Group A, lost in the 1/8 Finals to Nancy (FRA) | |
| 2002-03 | 1 | Bundesliga | 12-14 | 8th, lost in Quarterfinals 2-3 to Telekom Bsk | ||
| 2003-04 | 1 | Bundesliga | 14-14 | 8th, lost in Quarterfinals 1-3 to ALBA Berlin | ||
| 2004-05 | 1 | Bundesliga | 12-18 | 13th | ||
| 2005-06 | 1 | Bundesliga | 13-17 | 10th | ||
| 2006-07 | 1 | Bundesliga | 19-15 | 7th, lost in Quarterfinals 1-3 to Ludwigsburg | ||
| 2007-08? | 1 | Bundesliga | 25-9 | 3rd, lost in Quarterfinals 2-3 to Frankfurt  | ||
| 2008-09? | 4 | Regionalliga | 1st | |||
| 2009-10 | 3 | ProB | 7th | |||
| 2010-11 | 3 | ProB | 8th | |||
| 2011-12 | 3 | ProB | 11th | |||
| 2012-13 | 3 | ProB | 5th | |||
| 2013-14 | 2 | ProA | 9-21 | 13th | ||
| 2014-15 | 2 | ProA | 10-20 | 14th | ||
| 2015-16 | 2 | ProA | 7-23 | 15th | ||
| 2016-17 | 3 | ProB | 4th | |||
| 2017-18 | 3 | ProB | 8th | |||
| 2018-19 | 3 | ProB | 1st | |||
| 2019-20 | 2 | ProA | 14-13 | 5th | ||
| 2020-21 | 2 | ProA | 18-10 | 5th | ||
| 2021-22 | 2 | ProA | 19-13 | 5th, lost in Semis 0-3 to Tuebingen | ||
| 2022-23 | 2 | ProA | 9-25 | 17th | ||
| 2023-24 | 3 | ProB | 20-6 | 2nd (Group North), lost in Quarterfinals 0-2 to BG Berlin | ||
| 2024-25 | 3 | ProB | 25-1 | 1st (Group North) beat Wolmirstedt 2-0 in the Final | ||
| 2025-26 | 1 | ProA | 10-24 | 17th |
