An air spring arrangement for a secondary air suspension between the vehicle body and bogie of a rail vehicle, comprising: a first connection line for connecting a first auxiliary air volume with a first air spring and a second connection line for connecting a second auxiliary air volume with a second air spring; characterized in that the air spring assembly further comprises: a compressed air tank which provides a first auxiliary air volume and a second auxiliary air volume separated from the first auxiliary air volume, the first connecting line being connectable to the first auxiliary air volume and the second connecting line 122) being connectable to the second auxiliary air volume, a first port for connecting the first connection line to the first auxiliary air volume and a second port for connecting the second connection line to the second auxiliary air volume, wherein both ports (141; 142) are arranged on the same side of the compressed air tank or wherein both ports (141; 142) are arranged on the same side of a separator which separates the first auxiliary air volume and the second auxiliary air volume, the compressed air tank being attachable on the car body or on a bogie of a rail vehicle, in particular exchangeable attachable. a first connection line for connecting a first auxiliary air volume with a first air spring and a second connection line for connecting a second auxiliary air volume with a second air spring; characterized in that the air spring assembly further comprises: a compressed air tank which provides a first auxiliary air volume and a second auxiliary air volume separated from the first auxiliary air volume, the first connecting line being connectable to the first auxiliary air volume and the second connecting line 122) being connectable to the second auxiliary air volume, a first port for connecting the first connection line to the first auxiliary air volume and a second port for connecting the second connection line to the second auxiliary air volume, wherein both ports (141; 142) are arranged on the same side of the compressed air tank or wherein both ports (141; 142) are arranged on the same side of a separator which separates the first auxiliary air volume and the second auxiliary air volume, the compressed air tank being attachable on the car body or on a bogie of a rail vehicle, in particular exchangeable attachable. a compressed air tank which provides a first auxiliary air volume and a second auxiliary air volume separated from the first auxiliary air volume, the first connecting line being connectable to the first auxiliary air volume and the second connecting line 122) being connectable to the second auxiliary air volume, a first port for connecting the first connection line to the first auxiliary air volume and a second port for connecting the second connection line to the second auxiliary air volume, wherein both ports (141; 142) are arranged on the same side of the compressed air tank or wherein both ports (141; 142) are arranged on the same side of a separator which separates the first auxiliary air volume and the second auxiliary air volume, the compressed air tank being attachable on the car body or on a bogie of a rail vehicle, in particular exchangeable attachable.