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:
Customer Relations
At a glance
Contact Customer Relations for information on
all aspects of your vehicle.
Calling Customer Relations
Vehicles not equipped with BMW
Assist or TeleService
1. "BMW Assist" o ...
Switching off automatically
The system switches off and the LED goes out:
After approx. 33 ft/10 m when driving forward.
Above approx. 9 mph/15 km/h when driving
forward.
Switch on the system again if necessary. ...
Maintenance
Maintain the vehicle regularly to sustain the road
safety, operational reliability and the New Vehicle
Limited Warranty.
Specifications for required maintenance measures:
▷ BMW Maintenance ...
