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HIGHTEC SYNT RSi SAE 5W-40 is a high-performance engine oil produced using HC synthetic oils with a wide area of application. Its high level of performance is achieved through the interaction of selected base oils and advanced additives.


HIGHTEC SYNT RSi SAE 5W-40 has been developed specifically to meet the needs of modern petrol and diesel vehicles. It is particularly suitable for vehicles equipped with Otto and diesel engines, with or without turbocharging, and is used for vehicles without an extended maintenance interval. Its modern design makes a wide range of applications possible and ensures safe operation under all operating conditions.



MB-Freigabe 229.3/226.5 Porsche A40 VW 502 00/505 00

Equivalent quality in accordance with EU-law as per

ACEA A3/B4 API SN Renault RN 0700/0710

This product is also recommended when the following filling instructions are required API CF PSA B71 2296 Opel GM-LL-A-025/GM-LL-B-025


First-class economy grade for multi-functional use in diesel and Otto engines from different manufacturers

Eminently suitable for turbocharged engines Prevention of adhesion, lacquering and coking of cylinders, pistons, valves and turbochargers in a reliable manner

Safer year-round operation due to outstanding viscosity temperature behaviour and high shear stability

Good cold-starting properties and rapid engine lubrication Stable lubricating film, even with hot oil and under excessive loads

High level of oxidation protection by means of selected HC synthetic oils and special additives Reliable protection against ‘black sludge’

Proper functioning of hydraulic tappets (hydraulic valve clearance compensation) Low oil consumption due to a very low evaporation loss

Miscible and compatible with conventional and synthetic engine oils.

However, in order to exploit the full product benefits of HIGHTEC SYNT RSi SAE 5W-40, a complete oil change is recommended.




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