Todays sophisticated European engines produce higher horsepower densities per cubic inch and subject the engines oil to severe operational conditions. Throw in all the emissions management equipment on these automobiles and the oils used should demonstrate exceptional anti-wear performance and meet the strict formulation requirements wanted to fulfill the most present European motor oil specifications.
Those specs at this writing are VW 504/00/507.00, VW, 502, 505 and 505.01, BMW LL-04, Porsche C-30, ACEA C-3, ACEA A3-B3/B4, Mercedes Benz 229.31 and 229.fifty one etc. Since most European automobile makers specify oil change intervals which can be considerable longer than those of U.S car makers, oils assembly these specifications have to demonstrate glorious high temperature/high shear performance (HT/HS) to keep up viscosity and provide adequate engine protection.
In addition, turbocharged direct injection (TDI) engines are common in European vehicles. Motor oils utilized in these applications must be very thermally stable to handle the high working temperatures and resist deposit formation while providing adequate turbocharger cooling. Thermally stable oils assist preserve oil passages clean and promote fluid circulation so turbocharger bearings keep cool and lubricated
Because of the sophisticated and intensely efficient air pollution management equipment used on European vehicles, nearly all European automotive makers require oil used in these applications to be formulated with decrease amounts of sulphated ash, phosphorous and sulfur. (SAPS) SAPS is a commonly used anti-wear additive in motor oils.
The problem is that oils with extreme sulphated ash, phosphorus and sulfur (SAPS) can hurt fashionable exhaust treatment devices. Diesel particulate filters (DPF’s), for example, require low-SAPS motor oil to assist stop filter plugging. This is why using motor oil that does not meet the right specification can cause engine problems and that annoying check engine light to come back on!
Because SAPS additives provide a high degree of wear protection, its reduction has caused some motor oil formulators considerable difficulty in producing a engine oil that each provides outstanding protection and meets the automotive makers necessities to be used with their engine advanced air pollution control equipment. The most very best motor oil for European engine is high grade artificial oils engineered for the above specifications. Synthetic oils have very low pour points protecting the engine from oil starvation and providing immediate oil pressure when the outside temperature is low while its thermal stability withstands high-temperature/high-RPM breakdown to withstand deposit formations that starve TDI systems of lubrication.
This is why some of the biggest names in European automobiles similar to Mercedes and Porsche are factory stuffed with artificial oil and many require the use of artificial oil to take care of the cars warrantee.
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