A method for filling dual-chamber systems in pre-sterilizable carrier systems includes providing at least one washed, siliconized and sterilized dual-chamber system in a magazine. The dual-chamber system includes respective separating elements separating the two chambers from each other. The magazine accommodates at least one dual-chamber system and is arranged in a container that is sealed with a closing element. The method additionally includes introducing the container into a clean room; opening the container and filling a first chamber of the at least one dual-chamber system; and closing the first chamber. The method further includes filling a second chamber of the at least one dual-chamber system; closing the second chamber; and removing the system from the clean room.