Two problems related to driveshaft have been reported for the 2012 BMW X6. The most recently reported issues are listed below.
Driveshaft universal ball joint malfunction. Shows it's on recall . Engine turbo/supercharger failure. Engine coolant malfunction. The car stalls from the turbos malfunctioning & I feel the left wheel is about to fall off from driveshaft which makes a loud noise when you accelerate.
Driveshaft wear, engine turbocharger malfunction/circuit board.