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:
Mobile communication devices in the
vehicle
Mobile communication devices in the vehicle
It is not recommended to use mobile phones,
such as mobile phones without a direct connection
to an external aerial in the vehicle's passenger
comp ...
Ultrasound sensors
The ultrasounds sensors used to measure parking
spaces are located in the side turn signals.
To ensure full operability:
▷ Keep the sensors clean and free of ice.
▷ When using high- ...
Maintenance and repairs
Advanced technology, e.g., the use of modern
materials and high-performance electronics, requires
suitable maintenance and repair methods.
Therefore, have this work performed only by a
BMW cent ...
