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EnglishOperation, care and maintenance -> Tire rotation for your BMW 7 Series 2001-2007
138nTire replacement
Tire rotation
Uniform Tire Quality Grading
Tire age
Between the axles
Quality grades can be found where ap- The date on which the tire was manu-
The tread wear patterns at the front end
factured is indicated by the code on the differ from those at the rear – the actual
plicable on the tire sidewall between
tread shoulder and maximum section
width. For example:
sidewall: patterns will vary according to individ-
DOT ... 179 means that the tires were ual driving conditions. In the interests of
manufactured in the 17th week of 1999. safety and maintaining optimal handling
Treadwear 200 Traction AA
Temperature A
characteristics, tire rotation is not
recommended.
BMW recommends the replacement of
all tires when the tires are no more than
6 years old, even if a tire life of 10 years If a proposed interaxle rotation of tires
Do not use retreaded tires, since
driving safety may be impaired by is possible.
their use. This is due to the possible
is based on economic considerations,
one should consider whether the costs
for the rotation are likely to be recap-
tured by any increase in the service life
of the tires which might be realized. Ro-
tation should always be carried out at
short intervals, with a maximum of
3,000 miles (5,000 km). Consult your
BMW center for more information.
Spare tires over 6 years old should be
variations in casing structures and, in
some cases, to their extreme age, fac-
tors that can lead to a decrease in their
durability.<
used only in case of emergency. Such a
tire should be replaced by a new tire
immediately, and should not be
mounted together with new tires.
Online Edition for Part No. 01 41 0 004 597 - © 08/99 BMW Group
Tire rotation
Wheel and tire combinations
139n
Should you decide to rotate the tires,
it is essential to comply with the follow-
ing:
The right choice
Codes on tires and wheels
Use only tires approved by BMW. Refer The tire codes will aid you in selecting
to page 142.
the correct tire.
Rotate tires on the same side only,
since braking characteristics and road
grip could otherwise be adversely af-
fected.
Because of the high speeds this vehicle
can reach, the use of specific tire
brands, specifications and dimensions
is mandatory. Consult any BMW center
Codes on radial tires:
For example
235/60 R 16 100W
Nominal width
in mm
Following rotation, correct the tire infla- for details.
tion pressure. Comply with national, state, or provin-
cial regulations.
Aspect ratio in %
Radial tire code
Rim diameter in inches
Load rating
If different tire sizes are mounted
on the front and rear axles
(page 142), the tires may not be rotated
from one axle to the other.<
The correct wheel-tire combina-
(not on ZR tires)
Speed rating
(before R on ZR tires)
tion affects different systems such
as ABS, ATC, ASC+T/DSC. The func-
tion of these systems is impaired if im-
proper wheel-tire combinations are
used.
The speed rating indicates the ap-
proved maximum speed for the tire.
For this reason, use only tires of the
same brand and tread pattern. In the
event of a flat tire, for example, remount
the approved wheel-tire combination as
soon as possible.<
Summer tires:
S
T
= up to 112 mph (180 km/h)
= up to 118 mph (190 km/h)
= up to 130 mph (210 km/h)
= up to 149 mph (240 km/h)
= up to 167 mph (270 km/h)
= up to 186 mph (300 km/h)
H
V
W
Y
ZR = over 149 mph (240 km/h)
Online Edition for Part No. 01 41 0 004 597 - © 08/99 BMW Group
