The new Fuelsaver types have been further developed for line mounting.
Mounting example here on the metal line of the common rail unit.
Tank assembly (diesel)
A safe alternative is via the tank sender under the rear seat. This assembly with the best contact with the fuel at the diesel can be done by a specialized workshop.
Before opening the tank sender cap, drive the tank half empty.
Filter assembly (diesel)
A safe alternative in the diesel passenger car is in the diesel filter. It should be noted that the pin is in contact with the fuel.
The insertion must be performed by a specialized workshop.