hi stngml,
if rm73-75=350km, for me it's to high, is it how many % hiway % trunk road, my exp. is i put rm60 (new petrol price) can balik kampung kelantan without refueling +- 450km (if not mistakenla), i think u better check or do some tuning with ETCM if not mistaken 3rd service got one la, ask the mech. bro. ok that's my exp. how bout other bro out there.