See also:

Tire inflation pressures for X6 xDrive50i
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Operating from the outside
▷ Via the remote control. ▷ Via the door lock. ▷ In cars with Comfort Access, via the door handles. The following takes place simultaneously when locking/unlocking the vehicle ...

Two additional gears mean threefold progress: quicker shifts, greater smoothness, enhanced efficiency.
The wider spread of ratios allows the engine to run at lower speeds, often in the "tallest" gear, 8th. Yet even with this wider spread, the steps between adjacent gears are reduced; in t ...