High level of engine protection, ensuring that all engine parts last for a long time. Protection is greater than 20% at the official European manufacturers’ wear tests. optimizes the way in which three way catalytic converters work, preventing them from getting clogged up with deposits. Reduces emissions of NOx, HC and CO in particular. offers the best possible protection against deposits as soon as the engine is started, during cold starts and at extremely high temperatures. Engine start ups easier at both very low and very high temperatures.