The suburb of Neugablonz in Kaufbeuren was formed after the Second World War, when refugees from the former German speaking territories in the Czech Republic, mainly from the region around the city of Gablonz, now Jablonec nad Nisou, settled there.

[2] The club's current crest still bears a lot of similarity with the coat of arms of modern-day Jablonec nad Nisou, specifically the apple tree.

[5] In 1939, BSK merged with two other local sides to form NSTG Gablonz, a club controlled by the Nazis, NTSG standing for Nationalsozialistische Turngemeinde.

[7] After a fifth place in 1969, the team had a terrible 1969–70 season, finishing second-last with an eight-point gap to a non-relegation rank, and had to return to the Bezirksliga.

In 1976–77, rival SpVgg Kaufbeuren returned to the league from the Bayernliga and BSK Olympia managed only an eleventh place, troubled by relegation worries.

It moved between the B-Klasse and the A-Klasse in the following years, the later being renamed Kreisliga Schwaben-Süd in 1998, The club finished runners-up in this league in 2002, the best result in over a decade.

In 2006, the club finally won the Kreisliga and made a return to the Bezirksliga, where it finished a respectable fifth in its first year back.

[13] It however suffered another relegation in the following season, back to the Kreisliga, which had become the ninth tier of the German football league system because of the introduction of the 3.