Mono functional additive that stabilizes motor oil viscosity. Provides outstanding protection against mechanical and permanent shear losses in extreme conditions and prevents viscosity loss caused by frequent cold starts.\nAdd to motor oil in gas or diesel engines. Safe with turbochargers, catalytic converters and particulate filter. For best performance use with 3-5 liters (3.17-5.28 qt) motor oil. Not suitable for transmission wet clutches.\nCan contents (300 ml) are sufficient for up to5 liters (5.28 U.S. QT)of motor oil. After adding to the motor oil, allow the engine to run warm. The product can be added at any time. Minimum oil filling of 3 liters (3.17 U.S. QT) is requested for optimum product performance.