FOSSER Premium RSi 5W-30

1 liter, 4 liters, 20 liters, 60 liters, 208 liters

HC-Synthetic high-performance low-friction engine oil for passenger cars


FOSSER Premium RSi 5W-30 is a HC-synthetic high-performance engine oil of SAE class 5W-30. Synthetic components combined with carefully selected innovative additives guarantee that the product meets the latest market requirements. Thanks to the significantly improved engine oil quality of FOSSER Premium RSi 5W-30, it offers further enhanced wear protection and keeps the engine perfectly clean, even at extended oil change intervals. The extremely low cold viscosity of the lubricant and its reliable high- temperature viscosity properties guarantee significant reductions in fuel consumption.

Use instructions

FOSSER Premium RSi 5W-30 is the ideal high-performance low-friction engine oil for demanding engines. It is used in petrol and diesel engines in passenger cars, including models with turbocharger and direct injection. The product is recommended for all operating conditions.

  • Specifications: ACEA A3-/ B4-12, API SN/ CF
  • Recommendations*: MB 229.3/ 229.5, VW-Norm 502.00/ 505.00, BMW Longlife-01, Renault RN0700/ 0710, GM-LL-B-025
Density at 15°CDIN EN IST 12185kg/m3855
Viscosity at 40°CDIN 51 562mm2/s72,5
Density at 100°C DIN 51 562 mm2/s 12
Viscosity index (VI) DIN ISO 2909 163
Pour point ASTM D 7346°C-39
COC flash point DIN ISO 2592 °C240
TBNASTM D 2896mg HOK/g9,8

The above values may vary within commercially accepted tolerances.
* Meets the requirements of the OEM manufacturer.