Touratech - Extension Volume Booster for Original BMW Side Case - BMW R1250GS, R1250GSA, R1200GS 13-, R1200GSA 14-, F850GSAInstallation Instructions Get the most out of your pannier and create maximum space! The VOLUME BOOSTER pannier extension increases the volume of your original BMW aluminum pannier by 12 liters! Simply place the VOLUME BOOSTER between the pannier and the lid to increase the height of your pannier by 11 cm. The ingenious mechanism engages in the lockable latch of your pannier and makes any other locking system superfluous. In a matter of seconds, you