Minimum tread depth

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:
Signal tones
When approaching an object, an intermittent
tone is sounded that indicates the position of the
object. For example, if an object is detected to
the left rear of the vehicle, a signal tone sounds ...
Voice operation
Vehicles equipped with the voice activation system:
operation.
Vehicles not equipped with the voice activation
system: depending on the equipment, the mobile
phone can be voice operated as desc ...
Changing wheels
Your BMW is equipped with run-flat tires as standard. This eliminates the need
to change a wheel immediately in the event of a puncture.
For information on continuing to drive with a damaged tire, ...
