Tire tread
Summer tires
Do not drive with a tire tread depth of less than 0.12 in/3 mm.
There is an increased danger of hydroplaning if the tread depth is less than 0.12 in/3 mm.
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.
Minimum tread depth

Wear indicators are distributed around the tire's circumference and have the legally required minimum height of 0.063 in/1.6 mm.
They are marked on the side of the tire with TWI, Tread Wear Indicator.
See also:
USB audio interface*/mobile phone
audio interface
At a glance
It is possible to connect external audio devices.
They can be operated via iDrive. The sound is
output on the vehicle loudspeakers.
Connectors for external devices
Connection via ...
COMFORT+
Comfort-oriented tuning of the shock absorbers
for optimal traveling comfort with maximum
driving stabilization.
Activating COMFORT+
Press the button repeatedly
until COMFORT+
appears in th ...
Disposing of old batteries
Have old batteries disposed of by your
service center or bring them to a recycling
center.
Maintain the battery in an upright position for
transport and storage. Secure the battery so
that ...
