I have a 2015 a4 2.0tdi ultra , I went up London checking b4 I went to see if I was ulez conform the site I went on said I was ok and no payment required. 2 weeks later u get a fine for non-payment of ulez.. I have appealed but they are now asking foe evidence. How can I get evidence for my vehicle being euro 6. All site I go on say my vehicle is ulez compliant except tfl's one . Is my vehicle a euro 6