Abstract: The disclosure relates to a motor vehicle flap system, including a lateral wall having an inner side surface, an outer side surface and a through-opening, a flap which is mounted on the inner side surface such that it can move between a closed position closing the through-opening, in which the flap lies within the through-opening and runs perfectly flush with the outer side surface, and an open position releasing the through-opening, and having an actuation lever which is mounted on the inner side surface such that it can swivel between a starting position and an end position, and, with a movement into the end position, the actuation lever is designed to move the flap into the open position, wherein the flap and the actuation lever are swivellably mounted on a guide axis arranged on the inner side surface.