Having a slight problem with me fuel flap. The spring has popped out so that the flap swings easily (especially when I go round left hand corners!) I know I could pick one up from a scrap yard but me thinks it may be easier from a garage. Any one know what the product code is? I've aslo noticed that the flap doesn't fit flush. Should there be a rubber bump stop that fits in the hole to the left of the fuel inlet? Any help most appreciated.