For spatial arrangement of a drive motor (1) in a motor room (2), a three-point support system (TPS) includes supports (SP1, SP2) having a vibration suppressing member (3) for suppressing vibrations to be transmitted from the drive motor (1), a first bracket (5) for fixing the vibration suppressing member (3) to a transversely inner lateral side (4a) of a side member (4) of a front part (VBf) of a vehicle body, and a second bracket (6) for fixing the drive motor (1) to the vibration suppressing member (3), while the first bracket (5) is fastened to the inner lateral side (4a) of the side member (4), and the second bracket (6) is fastened at a proximal end (6a) to the vibration suppressing member (3) and at a distal end (6b) to the drive motor (1) to be disposed lower than the side member (4), with a reduced vibration transmission from the drive motor (1) to the vehicle body, allowing a facilitated removal of the drive motor (1).