BG Advanced Formula MOA® is formulated with 100 percent synthetic chemistry. When added to engine oil, it protects engine components and fortifies all brands of engine oil for today’s extended oil drain intervals. It will prevent oil sludge and varnish, keeps piston rings from sticking, stabilizes oil viscosity, reduces wear, prevents increased exhaust emissions. Additionally, it prevents excessive oil consumption, ensures reliability of critical engine components and extends engine life. Add one 11 ounce (325 ml) can of BG Advanced Formula MOA® to up to 5-8 liters of engine oil at each oil change.