Method for operating a hydraulic system, in particular a brake system, in particular for motor vehicles, having • multiple consumers (VBi), in particular wheel brakes, • an electrically controllable pressure providing device (101, 5) that can output a pressure medium volume for the purpose of actuating the consumer (VBi), wherein the pressure medium volume that is output or received by the pressure providing device and the system pressure in particular a brake system pressure that is provided by the pressure providing device are determined (103, 102), and • an electrically controllable inlet valve (EVi, 6a-6d) for each consumer (VBi, 8-11) that is arranged between the pressure providing device (101, 5) and the consumer, wherein in particular a non-return valve (RVi, 50a-50d) that is open in the direction of the pressure providing device (101, 5) is connected in each case in parallel to the inlet valves, wherein a pressure volume ratio (F i) is predetermined or determined for each consumer (VBi, 8-11), wherein in particular for a time interval (Δt n) each consumer (VBi, 8-11) is allocated to a first group or a second group of consumers, wherein the first group of consumers comprises at least one consumer, and wherein for the purpose of setting predetermined, consumer-specific desired pressures (P i desired) • the first group of consumers (VB1, VB2) is or will be connected to the pressure providing device (101, 5) by way of in each case the opened inlet valve (EV1, EV2) so that the first group is influenced by the system pressure (P, P a desired) of the pressure providing device (101, 5), and • the inlet valves (EV3, EV4) of the consumers (VB3, VB4) of the second group are or will be closed, wherein the inlet valve of an individual, selected consumer of the second group is opened in a regulated manner for the purpose of building up a pressure, wherein the inlet valve of the selected consumer is regulated with reference to the pressure medium volume that is output or received by the pressure providing device, and with reference to the system pressure and pressure volume ratios (F i) of consumers (VBi). • multiple consumers (VBi), in particular wheel brakes, • an electrically controllable pressure providing device (101, 5) that can output a pressure medium volume for the purpose of actuating the consumer (VBi), wherein the pressure medium volume that is output or received by the pressure providing device and the system pressure in particular a brake system pressure that is provided by the pressure providing device are determined (103, 102), and • an electrically controllable inlet valve (EVi, 6a-6d) for each consumer (VBi, 8-11) that is arranged between the pressure providing device (101, 5) and the consumer, wherein in particular a non-return valve (RVi, 50a-50d) that is open in the direction of the pressure providing device (101, 5) is connected in each case in parallel to the inlet valves, • the first group of consumers (VB1, VB2) is or will be connected to the pressure providing device (101, 5) by way of in each case the opened inlet valve (EV1, EV2) so that the first group is influenced by the system pressure (P, P a desired) of the pressure providing device (101, 5), and • the inlet valves (EV3, EV4) of the consumers (VB3, VB4) of the second group are or will be closed, wherein the inlet valve of an individual, selected consumer of the second group is opened in a regulated manner for the purpose of building up a pressure, wherein the inlet valve of the selected consumer is regulated with reference to the pressure medium volume that is output or received by the pressure providing device, and with reference to the system pressure and pressure volume ratios (F i) of consumers (VBi).