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Year-round oil

For engines VWT4 provide multigrade oils. Multigrade oils have the advantage of being suitable for all temperatures (winter / summer).

The basis for multigrade oils is legkotekuschee seasonal oil (e.g., 15 W). Thanks to a so-called oil thickening stabilized in hot condition, so that in all operating conditions of the engine has appropriate lubricity.

Preferring multigrade oil, it is better to turn to modern oils which have a high viscosity range (for example, 15 W-40,15 W-50). "W" in the designation SAE indicates that oil standard.