A braking force generation device in a vehicle having a braking system, comprising at least two electric motor-driven pressure supply devices (DV1, DV2), wherein - the brake system comprises a first and a second hydraulic brake circuit (BK1, BK2), each having at least one or two hydraulically acting wheel brakes (RB1, RB2, RB3, RB4), - pressure in at least one brake circuit (BK1, BK2) is both built up and reduced via one of the pressure supply devices (DV1, DV2), - a pressure supply device is a pump driven by an electric motor drive, in particular a piston pump or gear pump, having continuous volume delivery, - at least one valve arrangement is provided having valves for wheel-specific adjustment of brake pressures and/or for disconnecting or connecting the wheel brakes (RB1, RB2, RB3, RB4) from a brake circuit and/or a pressure supply device (DV1, DV2), - at least one electronic control and regulation unit is provided for controlling the braking system or parts thereof, and - each brake circuit (BK1, BK2) comprises a main hydraulic line (4, 5), via which the wheel brakes (RB1, RB2, RB3, RB4) are connected or can be connected to each of the two pressure supply devices (DV1, DV2), characterized in that the braking system comprises: - an electric brake pedal as an actuating unit having a sensor ECU and control via a central control unit (M-ECU), wherein a driver input is transmitted from the sensor ECU via the central control unit (M-ECU) to at least one pressure supply device (DV1, DV2) via at least two redundant signal lines (SL1, SL2); or - a master brake cylinder, which can be actuated by an actuating unit, in particular in the form of a brake pedal, having only one piston, the one pressure chamber of which is connected to a travel simulator and can be connected to at least one hydraulic brake circuit (BK1, BK2) via a hydraulic line, wherein at least one controlled valve of the at least one valve arrangement is provided for shutting off the hydraulic line, wherein the braking system is embodied as a disintegrated system, wherein the pressure supply devices (DV1, DV2) and the actuating unit are arranged separately and connected via a hydraulic line. - the brake system comprises a first and a second hydraulic brake circuit (BK1, BK2), each having at least one or two hydraulically acting wheel brakes (RB1, RB2, RB3, RB4), - pressure in at least one brake circuit (BK1, BK2) is both built up and reduced via one of the pressure supply devices (DV1, DV2), - a pressure supply device is a pump driven by an electric motor drive, in particular a piston pump or gear pump, having continuous volume delivery, - at least one valve arrangement is provided having valves for wheel-specific adjustment of brake pressures and/or for disconnecting or connecting the wheel brakes (RB1, RB2, RB3, RB4) from a brake circuit and/or a pressure supply device (DV1, DV2), - at least one electronic control and regulation unit is provided for controlling the braking system or parts thereof, and - each brake circuit (BK1, BK2) comprises a main hydraulic line (4, 5), via which the wheel brakes (RB1, RB2, RB3, RB4) are connected or can be connected to each of the two pressure supply devices (DV1, DV2), - an electric brake pedal as an actuating unit having a sensor ECU and control via a central control unit (M-ECU), wherein a driver input is transmitted from the sensor ECU via the central control unit (M-ECU) to at least one pressure supply device (DV1, DV2) via at least two redundant signal lines (SL1, SL2); or - a master brake cylinder, which can be actuated by an actuating unit, in particular in the form of a brake pedal, having only one piston, the one pressure chamber of which is connected to a travel simulator and can be connected to at least one hydraulic brake circuit (BK1, BK2) via a hydraulic line, wherein at least one controlled valve of the at least one valve arrangement is provided for shutting off the hydraulic line,