Illumination device for a motor vehicle headlamp, which illumination device comprises: - a first optical assembly which is pivotally mounted about a first pivot axis, - a second optical assembly which is mounted so as to be pivotable about a second pivot axis, the first and second pivot axes (Y1, Y2) running parallel to one another, and - at least one adjusting device for simultaneous pivoting of the first and the second optical assembly (100, 200) about their pivot axes (Y1, Y2), which adjusting device comprises a coupling element and a drive device with an adjusting arm linearly adjustable in a displacement axis, the displacement axis being orthogonal to the first and second pivot axes (Y1, Y2) and wherein the coupling element is pivotally connected to the first optical assembly via a first connection point and to the second optical assembly via a second connection point, and wherein the actuating arm of the drive device is movably connected to the coupling element at a third connection point and drives the coupling element in the direction of the displacement axis, wherein the first pivot axis lies in a horizontal plane when the lighting device is installed in a headlamp which is in an installed position in a motor vehicle, and the normal distance of the first connection point from this horizontal plane is different from the normal distance of the third connection point from the horizontal plane characterized in that the coupling element is formed as an elongated coupling element having a longitudinal axis, wherein the longitudinal axis of the coupling element passes through the first and second connection points (311, 312) and is parallel to the displacement axis, and wherein the normal distance of the first connection point to the first pivot axis of the first optical assembly is identical to the normal distance of the second connection point to the second pivot axis of the second optical assembly. - a first optical assembly which is pivotally mounted about a first pivot axis, - a second optical assembly which is mounted so as to be pivotable about a second pivot axis, the first and second pivot axes (Y1, Y2) running parallel to one another, and - at least one adjusting device for simultaneous pivoting of the first and the second optical assembly (100, 200) about their pivot axes (Y1, Y2), which adjusting device comprises a coupling element and a drive device with an adjusting arm linearly adjustable in a displacement axis, the displacement axis being orthogonal to the first and second pivot axes (Y1, Y2) and wherein the coupling element is pivotally connected to the first optical assembly via a first connection point and to the second optical assembly via a second connection point, and wherein the actuating arm of the drive device is movably connected to the coupling element at a third connection point and drives the coupling element in the direction of the displacement axis, the first pivot axis lies in a horizontal plane when the lighting device is installed in a headlamp which is in an installed position in a motor vehicle, and the normal distance of the first connection point from this horizontal plane is different from the normal distance of the third connection point from the horizontal plane characterized in that the coupling element is formed as an elongated coupling element having a longitudinal axis, wherein the longitudinal axis of the coupling element passes through the first and second connection points (311, 312) and is parallel to the displacement axis, and wherein the normal distance of the first connection point to the first pivot axis of the first optical assembly is identical to the normal distance of the second connection point to the second pivot axis of the second optical assembly.