BMW 3: Wheels and tires
BMW 3 Series G20 (2018-2023) 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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Service information
Electronic emergency gearbox release
As with the conventional 8-speed automatic transmission, the GA8P75HZ also
has an electrical
emergency release option.
In conventional vehicles the starter motor rotates for this, and also drives the
mechanical transmission
oil pump via the torque converter. W
Introduction
Although the high-voltage battery unit of the G20 PHEV can also be partially
charged by energy
recovery via the electrical machine, the "normal" charging procedure takes place
when the G20 PHEV
is connected to the AC voltage network of the local power supply company. Energy
is taken fro
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