Noises from the front wheel
 

Hi X5 pro

i have a 4.8L X5 2007
i start to hear some noise coming out from under the car..when i reverse out of the garage while i turn the steering wheel and when driving forward while turning..it only happen once in a while.
when i went to the dealership.they told me that they can check it for me but if they can t find out anything. they will charge me for it!!! or i wait till my wheels came off then they fix it for me ??
because it dont happen all the time. its hard for me to show them when it start making dat noise

can yo describe what kind of noise, is it a tick tick, squeeling, rubbing, grinding??