Bought X5 a year ago tomorrow and will be taking to dealership again. This time a repeat 4x4 and DSC warning. Last time fault blamed on us leaving a battery powered XM radio plugged into the receptacle inside the armrest storage that caused the battery level to drop?! Today same problem while driving on the highway. Can't wait to hear next excuse. Have taken car in at least 5 times for loud noise when taking out of park. In December Parking Brake would not disengage while 700 miles from home. BMW Assist could not tell us how to manually disengage brake but wanted to drag it onto a flatbed. Dealer told us how. Start-Off Assist jerks back on flat ground!! This is normal? Otherwise great car.