I always bragged to my mates about how $20 of petrol would last me forever. You could imagine how I felt when I was doing 110 on the M5 with my lady friend and the engine cutting out. I didn;t know wtf was going. After triple checking everything... I opened the tank only to find it empty. Had to walk 2-3kms to refill my baby. For all you newbies out there, here's a good lesson learnt.