Two-phase electric motor comprising a coil-carrying stator and a rotor, wherein the electric motor has a rectangular design, wherein a first coil and a second coil are arranged on a first side of the rotor and a third coil and a fourth coil are arranged on the second side of the rotor, which second side is situated opposite the first side, so that the four coils (3, 4, 6, 7) together form a rectangle, wherein in each case the coils which are arranged diagonally opposite each other, that is to say firstly the first coil and the fourth coil and secondly the second coil and the third coil, are respectively electrically connected to one another, so that they each form a common phase (A, B), wherein two pole shoes (9, 10) are formed centrally between the first side and the second side of the rotor, wherein a connecting line between the midpoints of the two pole shoes (9, 10) lies at a right angle to a connecting line between the midpoints of the two sides (5, 8) of the rotor, wherein two further, lateral pole shoes (13, 14) are arranged on the sides (5, 8) of the rotor, so that a total of four pole shoes (9, 10, 13, 14) engage around the rotor over a large portion of its circumference, wherein - the stator is of multipartite construction and comprises a first side part and a second side part, wherein the first side part is designed for receiving the first and the second coil (3, 4) on the first side of the rotor, and the second side part is designed for receiving the third and the fourth coil (6, 7) on the second side of the rotor, characterized in that - the electric motor is an electrically commutated permanent-magnet electric motor, wherein the rotor exhibits bipolar permanent magnetization, - the multipartite stator further comprises two central parts which each form one of the pole shoes (9, 10) which are arranged centrally between the first side and the second side of the rotor, and - the coils (3, 4) are arranged on the first side of the rotor and the coils (6, 7) are arranged on the second side of the rotor on in each case one of the lateral pole shoes (13, 14) which each merge in one piece with one of the side parts (16, 17) of the stator, - the side parts (16, 17) are compressed with the central parts of the stator, and - the side parts (16, 17) are designed such that the coils (3, 7, 4, 6) do not protrude beyond an iron core of the stator in the direction of the rotor rotation axis. - the stator is of multipartite construction and comprises a first side part and a second side part, wherein the first side part is designed for receiving the first and the second coil (3, 4) on the first side of the rotor, and the second side part is designed for receiving the third and the fourth coil (6, 7) on the second side of the rotor, - the electric motor is an electrically commutated permanent-magnet electric motor, wherein the rotor exhibits bipolar permanent magnetization, - the multipartite stator further comprises two central parts which each form one of the pole shoes (9, 10) which are arranged centrally between the first side and the second side of the rotor, and - the coils (3, 4) are arranged on the first side of the rotor and the coils (6, 7) are arranged on the second side of the rotor on in each case one of the lateral pole shoes (13, 14) which each merge in one piece with one of the side parts (16, 17) of the stator, - the side parts (16, 17) are compressed with the central parts of the stator, and - the side parts (16, 17) are designed such that the coils (3, 7, 4, 6) do not protrude beyond an iron core of the stator in the direction of the rotor rotation axis.