Save Gas with Audi A4: Usage decreases from 6.5l to 6.0l
Audi A4 saves 0.5 liters Dear Werner ! I send you a brief report of our experience . I use the BE-Fuelsaver since December in the Audi A4, I notice a decrease from 6.5 to 6.00 liters in fuel consumption with a continual great performance of the machine . My companion Manuela Dorwekinger is very [...]