im really get sick of this x it like a bad girlfriend, one day is good the next nothing but problems...... i was drive stop at a light, get ready the go,step on the gas pad, than BANG x wont move than i hear this WYNNIE sound, try R. D.N,P, sport mode NOTHING BUT THAT WYNNIE SOUND, AND THE X will not move no matter what gear its in, i had to call for a tow truck... to bring me back home, wow so many people watching when your BMW breaks LOL, once the x is home off the tow i put it in park it started roll down the F in hill, OK a small hill,we got it stop, the tow truck guy said its the driveshaft . when it wont go in gear i had to used the hand brake in order to make it site.. just one day before this incident i had the right front axle replace... Could anyone tell me whats going on with my x