So i have had my I3 since last September and I am just wondering how log between fill up's is to long? I last got gas on the 24th of February It was 93 non ethanol. I know the I3 has a pressurized fuel tank to help keep the fuel fresh. I have a little over 5,500 mils since i got that tank and have used the REX twice on this tank and the car has performed one maint. cycle due to the REX not being used. The car has also recently been in for its annual service / oil change. I have coded the car for the larger tank size and it is still showing over half a tank. I am just wondering if anyone else has gone this long between fill ups and if so have they seen any adverse effects from stale fuel.