Filter device in particular for an automotive car, - with a filter housing, - with a housing cover fastened on the filter housing, which has a housing cover idle opening, - with a filter element which can be connected or is connected with the housing cover, which filter element has a filter element idle opening and in a condition of being mounted in the filter housing separates a dirty side from a clean side in the filter housing, - with a sealing element which can be attached to or is attached to the housing cover and which has a sealing element main body, which sealing element in a condition of being attached on the housing cover closes both the housing cover idle opening and the filter element idle opening, - with a bypass channel provided in the sealing element main body, which bypass channel in a condition of the sealing element being attached to the housing cover connects the dirty side fluidically with the clean side, - with a valve element provided in the sealing element main body, which valve element can be adjusted between a closed position, in which it seals the bypass channel in a fluid-tight manner, and an opened position, in which it releases the bypass channel for the flow-through of a fluid, - wherein the filter element comprises an annular filter body which at its two axial ends is closed by means of a first and a second end disc, - wherein the first end disc comprises the filter element idle opening, wherein this is disposed concentrically in the first end disc such that the first end disc is formed in a ring-shape, - characterised in that, in a condition of the sealing element being removed from the housing cover, both the housing cover idle opening and the filter element idle opening are released, and as a result both the dirty side and the clean side are open to the outside, and that, at the first end disc is provided a filter element fastening element which, in a condition of being fastened on the housing cover, engages in a complimentary and inwardly-protruding housing cover fastening element provided on the housing cover. - with a filter housing, - with a housing cover fastened on the filter housing, which has a housing cover idle opening, - with a filter element which can be connected or is connected with the housing cover, which filter element has a filter element idle opening and in a condition of being mounted in the filter housing separates a dirty side from a clean side in the filter housing, - with a sealing element which can be attached to or is attached to the housing cover and which has a sealing element main body, which sealing element in a condition of being attached on the housing cover closes both the housing cover idle opening and the filter element idle opening, - with a bypass channel provided in the sealing element main body, which bypass channel in a condition of the sealing element being attached to the housing cover connects the dirty side fluidically with the clean side, - with a valve element provided in the sealing element main body, which valve element can be adjusted between a closed position, in which it seals the bypass channel in a fluid-tight manner, and an opened position, in which it releases the bypass channel for the flow-through of a fluid, - wherein the filter element comprises an annular filter body which at its two axial ends is closed by means of a first and a second end disc, - wherein the first end disc comprises the filter element idle opening, wherein this is disposed concentrically in the first end disc such that the first end disc is formed in a ring-shape, - characterised in that, in a condition of the sealing element being removed from the housing cover, both the housing cover idle opening and the filter element idle opening are released, and as a result both the dirty side and the clean side are open to the outside, and that, at the first end disc is provided a filter element fastening element which, in a condition of being fastened on the housing cover, engages in a complimentary and inwardly-protruding housing cover fastening element provided on the housing cover.