Every time I fill the car up it clicks off. I have pretty much got the hang of getting it mostly full with too much bother but I have never managed to get the guage to show all the bars on the fuel gauge. Are 360 gauges all bad and never show it as full or is it just that I still have another 10 litres of tank to fill? Even after a few clicks and a few more quid I always seem to have two empty bars on the gauge... Is it possible to get all bars full? What does it cost to fill up from when the petrol pump starts flashing? I mostly get about £65 in it and suspect it should be costing over £75. I always put SUL in it, does anyone use NUL?