System for adjusting tyre pressure

There will be a tire pressure adjustment unit for adjusting the Pressure of the tire mounted on a vehicle (16) describes which one between a pressure air source and the having tires (16) arranged valve assembly (14). To required for filling the tire energy input reduce, and the inflation pressure as low as possible to can, it is proposed that as a compressed air source The turbocharger (22) of the vehicle internal combustion engine (20). Of the Charge air channel (38) of the turbocharger (22) is connected to the A valve assembly (14).