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:
Functional requirements
The system must have been reset when the inflation
pressure was correct; otherwise, reliable
signaling of a flat tire is not ensured. Always use
wheels with TPM electronics to ensure that the
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Visual warning
The approach to an object can be shown on the
Control Display.
When the distance to an object is small, the PDC
display correspondingly shows a red bar in front
of the vehicle.
The display a ...
Approved mobile phones
Details on which mobile phones and external
devices with a Bluetooth interface are supported
by the mobile phone preparation package
can be obtained at www.bmwusa.com/bluetooth.
Displaying the ...
