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:
High-performance lightweight brake system
The dynamic performance of the sports sedan calls for a larger brake system,
and the new BMW 3-Series thus uses lightweight sliding-calliper brakes with
large vented discs. The aluminium front cal ...
Automatic mode
The Auto Start/Stop function is operational after
each engine start.
The function is activated above a certain speed.
► Automatic transmission: from 5 mph, approx.
9 km/h. ...
Tachometer
Always avoid engine speeds in
the red warning field. In this
range, the fuel supply is interrupted
to protect the engine. ...
