jean63 wrote:geogy
What proves that these "economizers" do not damage the engines? It is not after 15 days that you can know if you are satisfied. Do you have a list of satisfied customers over a long period of time and a long mileage, who could testify to the evidence that it works well?
Hello,
Go read the 3 pitites pages of the general conditions of sale, you will have understood everything !!
@+