Test System Cleaner 5128

Have the Engine System Cleaner from LiquiMoly given 5128 today in the tank of my Audi A3 Sportback (Diesel) to test him once.
When I have to say that I've noticed something, namely the engine by about 100 kilometers, but become a little quieter than he was before, smoother, the consumption on the other hand has remained the same, unlike other reviews the otherwise behaupten.Der consumption is unchanged at 5.5 liters per 100 km on average.
Let's see how that will look like with a cold start if the engine is quieter and less then nailed than usual.
For motor, he has about 110 thousand km run mostly highway, he has 125 KW, ie is still quite young.
I have bought the cleaner mainly to a cleaning of the engine from the inside, combustion chamber and related parts such as valves, nozzles, injectors etc. to bring and not to save some fuel, but that you can reach only with their own driving style.