This is strictly prohibited. The point is that ethylene glycol has a freezing point of only about -15 °C. Hence, only when diluted with water, it begins to fulfill its function.
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Es darf nur das Frostschutzmittel nachgefüllt werden, welcher vorher eingefüllt wurde.
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Most modern antifreezes are based on ethylene glycol. For enhanced metal protection, it is supplemented by a set of anti-corrosion and lubricating additives. The set of these additives depends on the materials of which the motor unit is made.
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It is recommended to use only special distilled water.
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Select the antifreeze for your vehicle only following the tolerances specified by the manufacturer of your vehicle.
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