Transfer Case problems of the 2011 BMW X6

The contact owns a 2011 BMW X6. The contact stated that while driving at various speeds and making a left or right turn as well as a u-turn, the vehicle shakes, and moves up and down. The contact mentioned the vehicle was previously serviced at BMW of manhattan located at 555 w 57th st, new york, NY 10019 under NHTSA campaign number: 16v311000 (power train). The contact stated that the vehicle was taken back to BMW of manhattan where it was diagnosed with a failed transfer case that needed replacement. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was unknown.