first, regards to all X5 users in world wide ,second i sold my x5 e53 2003 model 3.0i due to the following reasons and i am very sad , it's comes to my dreams every time and usually search on internet for it.
1-radiator leaks.
2-passenger door window not comes up .
3-its very hard and not comfort.
4-also weals very hard 20 inch .
5-eating to much gas.
6-transmission suddenly stop work even in D RBM comes up only with no move.
7-leaders seats is very hard too
.8-steering very heavy and the bump very noisy turning time
9- some electrical issue some times rough idle.
10-maintenance very expensive and no good BMW fitter in my country
11-