Liqui Moly 3-In-1 Package Engine Flush - Cleans the oil circuit from lacquer formers - Provides a better engine performance - Enhances the life of your motor oil Oil Additive - The smooth running lubricant MOSForms a heavy duty lubricating film on all rubbing and sliding surfaces. - It decreases the friction and guarantees an easier run of the aggregates. - Substantial fuel and oil saving, scientifically proven reduction of wear and tear, fewer operational disturbances, emergency running properties. Fuel Injection Cleaner (Cleans Entire Injection System) - More engine power and less fuel consumption. - Smoother idling and better throttle response. - Eliminates hard starting and lean surging or hesitation. - Liqui-Moly Fuel Injection Cleaner removes carbon and other deposits from an engine's fuel lines, fuel system components, intake track, injectors, valves, combustion chamber and spark plugs. I have recommended workshop which charge labour only if required..