thank you for your replys, wow i didnt realise different tyre sizes made so much difference, my other cars a alfa spider and i have never had to look into this much info about tyre sizes, but hey its always broke down lol!........... (not really)

my x5 is a 2001 e53 3.0l petrol so its not a xdrive so not looking good, im going to have a play on the website now to see what it come up with................ps nice cars