The basis for all-season oils is a light-flowing seasonal oil (e.g. 15W). Thanks to the so-called thickening, the oil is stabilized when hot, so that under all engine operating conditions it has the appropriate lubricating properties.
When giving preference to multigrade oils, it is better to turn to modern oils that have a high viscosity range (e.g. 15W-40,15W-50). "W" in the SAE designation indicates that the oil is winter.
Easy-flowing oil
Lightweight oils are multigrade oils to which a friction reducing agent has been added, resulting in fuel savings of up to 2%.
Lightweight oils have a low viscosity (e.g. 10W-30). They are based on non-traditional oils (synthetic oils). When buying a light oil, pay attention to the fact that it is approved for use by VW AG
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