The exhaust gas recirculation system (4) contains a dosing pump (6). The pump has a regulator valve located in front of or behind it. The engine speed is also regulatable. The pump has regulatable valve apertures, seals and volume. The system has a baffle chamber (5), which is filled with mineral or steel wool. The chamber may be formed as a radiator. The pump is operated by compressed air of a motor vehicle, is integrated in the hydraulic or electrical circuit of the vehicle, or is in drive connection with a turbocharger or the take-off shaft of the IC engine.