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:
Starting BMW Online
1. "BMW Assist" or "ConnectedDrive"
2. "BMW Online"
Starting BMW Online
3. If necessary, "OK".
The BMW Online home page is displayed. ...
At a glance
At a glance
1 Rear fog lamps
2 Front fog lamps
3 Automatic headlamp control / Adaptive Light Control / high-beam Assistant /
welcome lamps / daytime running lights
4 Lamps off / daytime runnin ...
Special windshield
The windshield is part of the system.
The shape of the windshield makes it possible
to display a precise image.
A film in the windshield prevents double images
from being displayed.
Therefore, ...
