BMW serie 3 sedan 2001 用户手册

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Information for your safety
The factory-approved radial tires are 
matched to the vehicle and have been 
selected to provide optimum safety and 
driving comfort on your vehicle. 
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 mainte-
nance of the specified tire pressure.
Incorrect inflation pressure is a frequent 
cause of tire damage. It also signifi-
cantly influences the roadholding ability 
of your BMW.
Check tire inflation pressures 
regularly – include the space-
saver spare tire or spare tire – at least 
twice a month and before beginning a 
longer trip (refer to page 
). If this is 
not done, incorrect tire pressures can 
cause driving instability and tire 
damage, ultimately resulting in an acci-
dent.
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Tire tread – Tire damage
Inspect your tires frequently for tread 
wear, signs of damage and for foreign 
objects lodged in the tread. Check the 
tread depth. 
Tread depth should not be allowed to 
go below 0.12 in (3 mm), even though 
the legally specified minimum tread 
depth is only 0.063 in (1.6 mm). At a 
tread depth of 0.063 in (1.6 mm), tread 
depth indicators (arrow) in the tread-
groove base indicate that the legally-
permissible wear limit has been 
reached. Below 0.12 in (3 mm) tread 
depth, there is an increased risk of 
aquaplaning, even at relatively 
moderate speeds and with only small 
amounts of water on the road.
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Do not drive on a deflated (flat) 
tire. A flat tire greatly impairs 
steering and braking response, and can 
lead to complete loss of control over 
the vehicle.
Avoid overloading the vehicle so that 
the permitted load on the tires is not 
exceeded. Overloading can lead to 
overheating and increases the rate at 
which damage develops inside the 
tires. You could have a blowout as a 
result.
Unusual vibrations encountered during 
normal vehicle operation can indicate 
tire failure or some other vehicle defect. 
This is also true for irregularities in the 
vehicle's handling characteristics, such 
as a pronounced tendency to pull to the 
left or right. Should this occur, respond 
by immediately reducing your speed. 
Proceed carefully to the nearest BMW 
center or professional tire center, or 
have the vehicle towed in to have it and 
its tires inspected.
Tire damage (up to and including blow-
outs) can endanger the lives of both the 
vehicle occupants and other road 
users.
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Tire inflation pressure
Tire condition
Online Edition for Part No. 01 41 0 155 476 - © 09/00 BMW AG