Moin, and that is when I drive the engine gets warm quickly, on the highway I can drive 180 and the engine remains at normal temperatures. If, for example, a traffic jam comes the temperature goes back into the red area. It then does not cool through the driving wind. AAAABER the radiator grille is completely cold, as is the cooling water. Overpressure is in the system, and exhaust gas smell in the cooling water. Oil not in the water and otherwise also does not. Fan also rotates. What can be broken there? Zkd, or Block /head. And water pump, and cooler to ? But what gives of then again for n sense for the purpose of the wind, can not cool eig? The cooling water is Danin in the time where you drive still full. If you leave it standing and let cool it is constantly less. In the workshop I would next time, but would ask me in advance n Bische Manu