Todays sophisticated European engines produce higher horsepower densities per cubic inch and subject the engines oil to severe operational conditions. Throw in all of the emissions control equipment on these vehicles and the oils used must demonstrate exceptional anti-wear performance and meet the strict formulation necessities wanted to fulfill the most current European motor oil specifications.
These specifications at this writing are VW 504/00/507.00, VW, 502, 505 and 505.01, BMW LL-04, Porsche C-30, ACEA C-three, ACEA A3-B3/B4, Mercedes Benz 229.31 and 229.51 etc. Since most European automobile makers specify oil change intervals which might be considerable longer than those of U.S car makers, oils assembly these specs have to demonstrate excellent high temperature/high shear efficiency (HT/HS) to take care of viscosity and provide adequate engine protection.
In addition, turbocharged direct injection (TDI) engines are widespread in European vehicles. Motor oils utilized in these applications have to be very thermally stable to deal with the high operating 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 extremely efficient pollution management equipment used on European vehicles, almost all European car makers require oil used in these applications to be formulated with lower quantities 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 harm trendy exhaust treatment devices. Diesel particulate filters (DPF’s), for instance, require low-SAPS motor oil to assist prevent filter plugging. This is why using motor oil that doesn’t meet the right specification can cause engine problems and that annoying check engine light to return on!
Because SAPS additives provide a high degree of wear protection, its reduction has caused some motor oil formulators considerable problem in producing a engine oil that both provides excellent protection and meets the automotive makers requirements for use with their engine advanced air pollution management equipment. Essentially the most superb motor oil for European engine is high grade synthetic oils engineered for the above specifications. Synthetic oils have very low pour points protecting the engine from oil starvation and providing rapid 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 a number of the biggest names in European automobiles corresponding to Mercedes and Porsche are factory crammed with artificial oil and plenty of require the usage of synthetic oil to maintain the vehicles warrantee.
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