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:
Switching the reception on/off
1. "Navigation"
2. Open "Options".
3. "Receive Traffic Info" ...
Service booklet
Perform maintenance work at the service center,
and record the work in the service booklet.
The entries are proof of regular maintenance. ...
Optional Variable Sports Steering
Optionally a new variable-ratio steering system can be specified. Variable
Sports Steering provides different steering gear ratios depending on the angle
of the steering wheel, so that the new BMW ...
