Baffle module, in particular wheel cover baffle module, underbody baffle module or side sill baffle module, of motor vehicle, and motor vehicle

The invention relates to a flap module (1) of a motor vehicle (10), in particular of a wheel house flap module, an underbody flap module or a side sill flap module, comprising at least one flap part (2) having an inner side and an outer side, the inner side being designed to point towards the motor vehicle body in the assembled state, and the outer side being designed to point towards the motor vehicle body in the assembled state. And the outer side surface is designed to point to the surroundings in the assembled state. The baffle piece can be connected with a motor vehicle body. The invention relates to a baffle plate element for a motor vehicle, which is produced as an at least double-walled structure and has an inner wall, which faces the body of the motor vehicle in the assembled state, and an outer wall, which faces the surroundings in the assembled state, which at least together delimit at least one flow channel (23), through which ambient air can flow from an inflow opening to an outflow opening. At l