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Wheels and tires
Tire condition
Information for your safety
wall with TWI – Tread Wear Indicator. At
a tread depth of 1/16 in / 1.6 mm, the
indicators signal that the legally permissible wear limit has been reached.
The factory-approved tires are matched
to your vehicle and have been selected
to provide optimum safety and driving
comfort when used properly.
Tread depth should not be allowed to
go below 1/8 in / 3 mm, even though
the legally specified minimum tread
depth is 1/16 in / 1.6 mm.
Below 1/8 in / 3 mm tread depth, there
is a great risk of hydroplaning, even at
relatively moderate speeds and with
only small amounts of water on the
road. Tread wear indicators in the
tread-groove base – see arrow – are
distributed around the wheel circumference and are labeled on the tire side-
Maintenance
Inspect your tires frequently for tread
wear, signs of damage and for foreign
objects lodged in the tread. Check the
tread depth.
Repairs
Be sure to check the tire inflation
pressure, including the spacesaver spare tire or the spare tire, on a
regular basis, at least twice a month
and before every extended journey,
refer to page 24. If this is not done,
incorrect tire pressures can cause driving instability and tire damage, ultimately resulting in accidents.<
Tire tread – tire damage
Index
Incorrect tire inflation pressure is a frequent cause of tire damage. It also significantly influences the roadholding
ability of your BMW.
Controls
It is not merely the tire's service life, but
also driving comfort and – above all else
– driving safety that depend on the condition of the tires and the maintenance
of the specified tire inflation pressure.
Overview
117
Data
Tire inflation pressure
Online Edition for Part-No. 01 41 0 157 593 - © 09/03 BMW AG