@markbrown83 pretty sure you've only just taken delivery of your vehicle? Why don't you just say to the dealer "it leaks, what can we do?" and they will
probably offer a replacement bellows. If they can organise that fairly quickly and agree that if that leaks, you'll reject it, why not go down that route? Worst case scenario, you're where you are now, best case you get an 04S that works? They don't all seem to be leaking (although I admit evidence is patchy at this stage) and if you get one that works, you've got your dream vehicle with your dream spec?