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:
Radar sensor
Position
Radar sensor
Dirty or covered sensor
A dirty or covered sensor may hinder the detection
of vehicles.
▷ If necessary, clean the radar sensor. Remove
layers of snow and ice care ...
TeleService Report
Transmits technical data that is evaluated for the
ongoing development of BMW products from
your vehicle to BMW in regular intervals if necessary.
TeleService Report is activated in vehicles that ...
Tail lamps, bulb replacement
At a glance
1 Turn signal
2 Backup lamp
3 Inside brake lamp
4 Tail lamp
5 Tail lamp/brake light
Turn signal, tail lamp and brake lamp
Follow the general instructions on lamps and
bulbs.
21- ...
