which teams have the most goals allowed per game in a season

Tasmania Berlin have the most goals conceded per match by a club in Bundesliga in a season, with 3.18 per match in 1965-66.

	CLUB	GC/M	GC	SEASON	M	W	D	L	G	XG	XGA	SH	SOT	PASS-ATT	PASS	POSS%	FOUL	YC	RC
1	Tasmania Berlin	3.18	108	1965-66	34	2	4	28	15									0	0
2	Offenbach	3.12	106	1983-84	34	7	5	22	48									55	1
3	Essen	3.03	103	1976-77	34	7	8	19	49									33	1
4	Werder	2.74	93	1979-80	34	11	3	20	52									33	1
5	Neunkirchen	2.74	93	1967-68	34	7	5	22	33									0	3
6	Hannover	2.71	92	1985-86	34	5	8	21	43									62	4
7	Düsseldorf	2.68	91	1986-87	34	7	6	21	42									48	3
8	Tennis Borussia	2.62	89	1974-75	34	5	6	23	38									32	1
9	Karlsruher	2.59	88	1984-85	34	5	12	17	47									49	2
10	Schalke	2.59	88	1980-81	34	8	7	19	43									45	0
11	Darmstadt	2.53	86	2023-24	34	3	8	23	30	33.06	74.62	407	115	14,116	11,130	45.7	429	83	4
12	Schalke	2.53	86	2020-21	34	3	7	24	25			302	85	13,270	10,137	44.6	414	74	2
13	Karlsruher	2.53	86	1982-83	34	7	7	20	39									45	0
14	St. Pauli	2.53	86	1977-78	34	6	6	22	44									30	0
15	Wuppertaler	2.53	86	1974-75	34	2	8	24	32									41	2
16	Nürnberg	2.50	85	1983-84	34	6	2	26	38									50	1
17	Tennis Borussia	2.50	85	1976-77	34	6	10	18	47									36	1
18	Hertha	2.47	84	1990-91	34	3	8	23	37									53	2
19	Schalke	2.47	84	1987-88	34	8	7	19	48									42	1
20	Oberhausen	2.47	84	1972-73	34	9	4	21	45									0	0
21	Dortmund	2.44	83	1971-72	34	6	8	20	34									0	3
22	Alemannia	2.44	83	1969-70	34	5	7	22	31									0	0
23	Fürth	2.41	82	2021-22	34	3	9	22	28	30.63	61.18	314	108	12,634	9,483	43.3	437	61	0
24	Darmstadt	2.41	82	1981-82	34	5	11	18	46									37	0
25	Neunkirchen	2.41	82	1965-66	34	9	4	21	32									0	0