BMW 4 Series 2023 Owner's Manual page 300

MOBILITY
have the electronics checked and replaced at
the next opportunity.
Snow chains
Safety information
Warning
Mounting snow chains on unsuitable tires
can cause the snow chains to come into con-
tact with vehicle parts. There may be a risk
of accidents or risk of damage to property.
Only mount snow chains on tires that are
designated by their manufacturer as suitable
for the use of snow chains.
Warning
Insufficiently tight snow chains may damage
tires and vehicle components. There may be
a risk of accidents or risk of damage to prop-
erty. Make sure that the snow chains are al-
ways sufficiently tight. Re-tighten as needed
according to the snow chain manufacturer's
instructions.
Fine-link snow chains
The manufacturer of the vehicle recommends
the use of fine-link snow chains. Certain types
of fine-link snow chains have been tested by
the manufacturer of the vehicle and recom-
mended as road-safe and suitable.
For information on suitable snow chains, con-
tact an authorized service center or another
qualified service center or repair shop.
Use
Use is only permitted in pairs on rear wheels
equipped with the tires of the following wheel/
tire sizes:
300
Wheels and tires
Online Edition for Part no. 01405A7D166 - II/23
Tire size Wheel size
225/45 R18 7.5J x 17
Information on the wheel size and rim offset is
located on the inside of the wheel.
The list can also include wheel/tire sizes that
are only suitable for certain models.
Information on wheels and tires approved for
the vehicle can be requested from an author-
ized service center or another qualified service
center or repair shop.
Follow the snow chain manufacturer's instruc-
tions.
If vehicle is equipped with Tire Pressure Moni-
tor: When using snow chains, do not reset the
Tire Pressure Monitor, otherwise, incorrect val-
ues may be displayed.
If vehicle is equipped with flat tire monitor:
When using snow chains, do not initialize the
flat tire monitor, otherwise, incorrect values
may be displayed.
When driving with snow chains, activate the
Dynamic Traction Control briefly to optimize
the drive power.
Maximum speed with snow chains
Do not exceed a speed of 30 mph/50 km/h
when using snow chains.
Tire pressure monitor
Principle
The Tire Pressure Monitor monitors the tire
pressure and issues a warning if the tire pres-
sure has dropped.
General information
Sensors in the tire valves measure the tire in-
flation pressure and tire temperature.
Depending on the tires detected or registered,
the system displays the specified nominal
Rim offset (IS)
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