kz 
2008 BMW X5 SUV 4.8i 4dr SUV AWD (4.8L 8cyl 6A)
Disappointed
 I have had my x5, fully loaded, for less than 3 months.  I have had it towed 1x and will be taking it in to the dealer again this week because I can't use my bluetooth or BMW assist.  I can hear them but they can't hear me.  Additionally, I don't think I have the power I should.  My last vehicle was a loaded 530i, I expected the same performance and do not get it. Yes, I realize it is a heavier vehicle, but supposedly adjustments have been made for power. I don't have the confidence to pass when immediate acceleration is required because of potential lag.  I want to love my car, this is a purchase not a lease.  Given the cost of this vehicle I am kicking myself.