TAREX 5W-40 blu is a high performance engine oil based on selected synthetic base oils in combination with high performance additives. It provides outstanding thermal and oxidation stability, outstanding low temperature capabilities, long-life properties and extended drain intervals. It can be used at constant high speed and “start-stop” duty on or off the road under the most severe conditions. With the 5W-40 you get the best all-year, incl. winter protection. The special formulated additive package improves an outstanding protection at high temperature and pressure typical for diesel engines of passenger cars, minivans and off-road vehicles. The high total base number (TBN) guarantees a long-time neutralization of the acids, forming at diesel fuel combustion.