BMW 4 Series 2023 Owner's Manual page 309

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Safety information
Warning
A damaged regular tire with low or no tire
inflation pressure impacts handling, such as
steering and braking response. Runflat tires
can maintain limited stability. There is a risk
of accident. Do not continue driving if the
vehicle is equipped with normal tires. Follow
the information on runflat tires and continued
driving with these tires.
Indication of a flat tire
A yellow warning light is illuminated in
the instrument cluster.
In addition, an icon with a Check Control mes-
sage appears on the control display.
Icon
Possible cause
There is a flat tire or a major tire
pressure loss.
Measure
1.
Reduce your speed and stop cautiously.
Avoid sudden braking and steering maneu-
vers.
2.
Check whether the vehicle is fitted with
standard tires or runflat tires.
Runflat tires are labeled with a circular icon
containing the letters RSC marked on the
tire sidewall.
Runflat tires, refer to page 295.
3.
Read the description on what to do in case
of a flat tire.
Actions in the event of a flat tire
Standard tires
1.
Identify the damaged tire.
Online Edition for Part no. 01405A7D166 - II/23
Wheels and tires
To do this, check the tire pressure in all four
tires, for instance using the tire pressure
display from a tire repair set.
When the tire inflation pressure in all four
tires is correct, the flat tire monitor may not
have been initialized. In this case, initialize
the system.
If tire damage cannot be identified, contact
an authorized service center or another
qualified service center or repair shop.
2.
Repair the flat tire, for instance with a tire
repair set or by changing the wheel.
Runflat tires
Safety information
Warning
The vehicle handles differently when a runflat
tire has insufficient or no tire pressure; for
instance, reduced directional stability when
braking, braking distances are longer and the
self-steering properties will change. There is
a risk of accident. Drive moderately and do
not exceed a speed of 50 mph/80 km/h.
Maximum speed
You may continue driving with a damaged tire
at speeds up to 50 mph/80 km/h.
Continued driving with a flat tire
Follow the following when continuing to drive
with a damaged tire:
1.
Avoid sudden braking and steering maneu-
vers.
2.
Do not exceed a speed of
50 mph/80 km/h.
3.
Check the tire inflation pressure in all four
tires at the next opportunity.
When the tire inflation pressure in all four
tires is correct, the flat tire monitor may not
MOBILITY
309
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