For problem number 3:

Same thing on mine until i found out that when i entre the nozzle only 3/4 way versus full way i can use full speed...and god know that with an X5 full speed filling is a must ;-)

__________________
2006 X5 4.4i premium, Sport package ,Winter Package, Sat Nav. AFE Power stage II Production : 08-2006
2012 BMW 128I Convertible Black
2011 Mercedes Benz B200 sold