A dosing system (1, 2), in particular for positioning by a user in the interior of an automatic dishwasher, comprising • at least one cartridge for flowable washing or cleaning agents, having a plurality of chambers (3a, 3b, 3c) for spatially separated reception of preparations, each different from one another, of a washing or cleaning agent, and • a dosing device couplable to the cartridge, comprising • at least one energy source, • a control unit, • a sensor unit, • at least one actuator that is connected to the energy source and to the control unit in such a way that a control signal of the control unit produces a movement of the actuator, • a closure element that is coupled to the actuator in such a way that a movement of the actuator shifts the closure element into a closed position or a delivery position, • at least one dosing chamber that, with the cartridge and dosing device in the assembled state, is communicatingly connected to at least one of the cartridge chambers (3a, 3b, 3c), • wherein the dosing chamber comprises an inlet for the inflow of washing or cleaning agent from a cartridge chamber (3a, 3b, 3c) and an outlet for the outflow of washing or cleaning agent from the dosing chamber into the environment, • wherein at least the outlet of the dosing chamber is closable or uncoverable by the closure element, wherein the dosing device comprises a component carrier on which at least the dosing chamber, the actuator, and the closure element, as well as the energy source and/or the control unit and/or the sensor unit are respectively detachably or nondetachably arranged, and wherein the dosing chamber is of L-shaped configuration, wherein a receptacle for an actuator is provided on that limb of the L-shaped dosing chamber which extends substantially horizontally in the utilization position. • at least one cartridge for flowable washing or cleaning agents, having a plurality of chambers (3a, 3b, 3c) for spatially separated reception of preparations, each different from one another, of a washing or cleaning agent, and • a dosing device couplable to the cartridge, comprising • at least one energy source, • a control unit, • a sensor unit, • at least one actuator that is connected to the energy source and to the control unit in such a way that a control signal of the control unit produces a movement of the actuator, • a closure element that is coupled to the actuator in such a way that a movement of the actuator shifts the closure element into a closed position or a delivery position, • at least one dosing chamber that, with the cartridge and dosing device in the assembled state, is communicatingly connected to at least one of the cartridge chambers (3a, 3b, 3c), • wherein the dosing chamber comprises an inlet for the inflow of washing or cleaning agent from a cartridge chamber (3a, 3b, 3c) and an outlet for the outflow of washing or cleaning agent from the dosing chamber into the environment, • wherein at least the outlet of the dosing chamber is closable or uncoverable by the closure element, • at least one energy source, • a control unit, • a sensor unit, • at least one actuator that is connected to the energy source and to the control unit in such a way that a control signal of the control unit produces a movement of the actuator, • a closure element that is coupled to the actuator in such a way that a movement of the actuator shifts the closure element into a closed position or a delivery position, • at least one dosing chamber that, with the cartridge and dosing device in the assembled state, is communicatingly connected to at least one of the cartridge chambers (3a, 3b, 3c), • wherein the dosing chamber comprises an inlet for the inflow of washing or cleaning agent from a cartridge chamber (3a, 3b, 3c) and an outlet for the outflow of washing or cleaning agent from the dosing chamber into the environment, • wherein at least the outlet of the dosing chamber is closable or uncoverable by the closure element, • wherein the dosing chamber comprises an inlet for the inflow of washing or cleaning agent from a cartridge chamber (3a, 3b, 3c) and an outlet for the outflow of washing or cleaning agent from the dosing chamber into the environment, • wherein at least the outlet of the dosing chamber is closable or uncoverable by the closure element,