BMW 3: Wheels and tires
BMW 3 Series G20 (2018-2026) Owners Manual / Wheels and tires
- Tire inflation pressure
- Tire identification marks
- Tire tread
- Changing wheels and tires
- Run-flat tires
- Mobility System
- Snow chains
- Tire Pressure Monitor TPM
- Concept, General information, Safety information
- Tire settings
- Messages: for tires without special approval
- Actions in the event of a flat tire
- System limits
- Flat Tire Monitor FTM
- Changing wheels/tires
- General information, Safety information
- Securing the vehicle against rolling
- Jacking points for the vehicle jack
- Emergency wheel
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Tire inflation pressure
General information
The tire characteristics and tire inflation pressure
influence the following:
The service life of the tires.
Road safety.
Driving comfort.
Fuel consumption.
Safety informatio
Tire identification marks
Tire size
245/45 R 18 96 Y
245: nominal width in mm
45: aspect ratio in %
R: radial tire code
18: rim diameter in inches
96: load rating, not for ZR tires
Y: speed rating, before the R on ZR tires
Max
Tire tread
Summer tires
Do not drive with a tire tread of less than
0.12 in/3 mm, otherwise there is an increased
risk of hydroplaning.
Winter tires
Do not drive with a tire tread of less than
0.16 in/4 mm, as s
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General information
Navigation settings can be individually configured.
Settings are stored for the driver profile
currently used.
Services
Concept
The vehicle offers different functions, whose use
requires a data transfer to BMW or a service provider.
The data transfer can be deactivated for
some functions.
General
Cooling system
To increase the service life of the high-voltage battery unit and obtain the
greatest possible power, it
is operated in a defined temperature range. The high-voltage battery unit is
essentially operational at
an ambient temperature of -40 ºF to 131 ºF (-40 ºC to +55 ºC ) (actual cell
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