Engine Oil Specs.7z -

Common in European cars (BMW, VW, Mercedes). Ratings like or C3 indicate specific requirements for high-performance engines or those with advanced exhaust filters. 3. Oil Types: Base Stocks

A mix of both. It offers better protection than conventional but at a lower price point than full synthetic. 4. OEM Approvals (Manufacturer Specs) engine oil specs.7z

Refined crude oil. Good for basic, older engines with frequent change intervals. Common in European cars (BMW, VW, Mercedes)

These ratings tell you if the oil meets the latest technological standards for your engine type. Common in European cars (BMW

Always prioritize what the manufacturer recommends. Using the wrong viscosity can lead to poor fuel economy or engine wear.