See also:

Winter tires
Do not drive with a tire tread depth of less than 0.16 in/4 mm. Below a tread depth of 0.16 in/4 mm, tires are less suitable for winter operation. ...

Tire inflation pressures X5 xDrive50i with two rows of seats
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Navigation data
Information on the navigation data 1. "Navigation" 2. Open "Options". 3. "Navigation system version": information on the data version is displayed. Updating the nav ...