Improvement of 23%
Jaguar XR 4.2 liter 350 hp – mileage per tank increased from 600 to 738km!

miles / gallon: 19.86 -> 24.43

I tried the BE-Fuelsaver LKW stick on my XR Jaguar 4.2 liter with 350 hp and I am very impressed. The car was immediately better, smoother, yet at the same time a stronger acceleration could be felt. Also it is likely that an immediate saving in fuel started, because usually, I’m driving cross-country with a full tank about 600 km far. During the refueling yesterday, the electronic display showed a range of 738 km …! (2010)

Dr Joachim Rene Zyla

Management Lounge GmbH