Cheers for the input! I couldn't see any leaks at a glance but I will take a closer look tomorrow when I have more time. It's so frustrating. Currently for the last 3 days I've had no issues whatsoever. If I don't find something soon I think a trip to the garage will be needed. 

When it sport it makes no difference at all and when in manual the problem is still there but I'm able to change through all gears

Thanks for replying. I shall check all pipes but if I had a leak somewhere I don't see how the problem would come and go??

Hi everyone, I'm hoping someone is able to help me. For the past couple of weeks my car has been intermittently not letting me go past 3000rpm and subsequently not changing gear. I've researched this for a while now and have come up with a couple of things that fit, they are; the nylon gear in the ...

Hello everyone. I'm Gareth and I'm new to the forum. I drive a 2003(53) X5 and I'm from n.wales. Besides the interest of reading about others vehicles I do have an ulterior motive for joining, that being my X5 has become somewhat troublesome of late. So I'm hoping you guys will be able to help me ...