BMW M3 SEDAN Owner's Manual page 314

MOBILITY
flat tire. Initialization is started by confirming
the tire inflation pressures.
Do not initialize the system when driving with
snow chains.
1. Apps menu
2. "Vehicle"
3. "Vehicle status"
4. "FLAT TIRE MONITOR"
5. Turn on drive-ready state and do not drive
off.
6. Start the initialization with: "Perform reset"
7. Drive off.
The initialization is completed while driving,
which can be interrupted at any time.
The initialization automatically continues when
driving continues.
Messages
General information
When a flat tire is indicated, the Dynamic Sta-
bility Control (DSC) is turned on, if needed.
Safety information
Warning
A damaged regular tire with low or no tire
inflation pressure impacts handling such as
steering and braking response. There is a risk
of accident. Do not continue driving. Repair
the flat tire or replace the wheel.
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.
314
Wheels and tires
Online Edition for Part no. 01405A88034 - VI/23
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. Read the description on what to do in case
of a flat tire.
Actions in the event of a flat tire
1. Identify the damaged tire.
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.
System limits
The system may be delayed or malfunction in
the following situations:
▷ A natural, even tire pressure loss in all
four tires will not be recognized. Therefore,
check the tire inflation pressure regularly.
▷ Sudden and serious tire damage caused
by external circumstances cannot be recog-
nized in advance.
▷ The system has not been initialized.
▷ When driving on a snowy or slippery road.
▷ Sporty driving style: slip on traction wheels,
high lateral acceleration (drifting).
▷ When driving with snow chains.
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