BMW 3 Series 2020-2023 Checking and Adjusting Tire Inflation Pressure User Manual

Checking and Adjusting the Tire Inflation Pressure

Checking

1. Switch off the compressor.
2. Read the tire pressure on the tire pressure display.

To continue the trip, a tire inflation pressure of at least 2 bar must be reached.

Removing and stowing the sealant bottle

1. Unscrew the filler hose of the sealant bottle from the tire valve.
2. Press the red unlocking device.
3. Remove the sealant bottle from the compressor.
4. Wrap and store the sealant bottle in suitable material to avoid contamination of the cargo area.

Minimum tire inflation pressure is not reached

1. Pull the connector out of the power socket in the vehicle interior.
2. Drive 33 ft/10 m forward and back to distribute the sealing compound in the tire.
3. Screw the connection hose of the compressor directly onto the tire valve stem.
   
4. Insert the connector into the power socket in the vehicle interior.
5. With standby or drive, readiness turned on, turn on the compressor and let it run for a maximum of 10 minutes.
   When the tire pressure does not reach at least 2 bar, contact a manufacturer service center or another qualified service center or repair shop.
   When a tire pressure of at least 2 bar is reached, see Minimum tire inflation pressure is reached.
6. Unscrew the connection hose of the compressor from the tire valve.
7. Pull the connector out of the power socket in the vehicle interior.
8. Stow the tire repair set in the vehicle.

Minimum tire inflation pressure is reached

1. Unscrew the connection hose of the compressor from the tire valve.
2. Pull the connector out of the power socket in the vehicle interior.
3. Stow the tire repair set in the vehicle.
4.  Immediately drive approx. 5 miles/10 km to ensure that the sealing compound is evenly distributed in the tire.
   Do not exceed a speed of 50 mph/80 km/h. If possible, do not drive at speeds less than 12 mph/20 km/h.

Adjustment

1. Stop at a suitable location.
2. Screw the connection hose of the compressor directly onto the tire valve stem.
   
3. Insert the connector into the power socket in the vehicle interior.
4. Correct the tire inflation pressure to at least 2.0 bar:
   • Increase tire pressure: with standby or drive, readiness turned on, turn on the compressor and let it run for a maximum of 10 minutes.
   • Reduce tire inflation pressure: press the button on the compressor.
5. Unscrew the connection hose of the compressor from the tire valve.
6. Pull the connector out of the power socket in the vehicle interior.
7. Stow the tire repair set in the vehicle.

Continuing the trip

Do not exceed the permissible maximum speed of 50 mph/80 km/h.
Reinitialize the Flat Tire Monitor.
Reset the Tire Pressure Monitor again.
Replace the faulty tire and the sealant bottle of the tire repair set promptly.

Additional information:

• Run-flat tires, refer to page 338.
  Tire pressure monitor, refer to page 331.

Tire chains

Safety information
Warning
With the mounting of tire chains on unsuitable tires, the tire chains can come into contact with vehicle parts. There may be a risk of accident or risk of damage to property. Only mount tire chains on tires that are designated by their manufacturer as suitable for the use of tire chains.

Warning
Insufficiently tight tire chains may damage tires and vehicle components. There may be a risk of accident or risk of damage to property. Make sure that the tire chains are always sufficiently tight. Re-tighten as needed according to the tire chain manufacturer’s instructions.

Fine-link tire chains
The manufacturer of the vehicle recommends the use of fine-link tire chains. Certain types of fine-link tire chains have been tested by the manufacturer of the vehicle and recommended as road-safe and suitable.
Information regarding suitable tire chains is available from a dealer’s service center or another qualified service center or repair shop.

Use
Use only in pairs on the rear wheels, equipped with tires of the following size:

• 225/45 R18.
• The wheel size and rim offset are located on the inside of the wheel.
  Follow the tire chain manufacturer’s instructions.
  Do not initialize the Flat Tire Monitor after mounting tire chains, as doing so may result in incorrect readings.
  Do not reset the Tire Pressure Monitor after mounting tire chains, as doing so may result in incorrect readings.
  When driving with tire chains, briefly activate Dynamic Traction Control DTC to optimize the drive power.
• Maximum speed with tire chains
  Do not exceed a speed of 30 mph/50 km/h when using tire chains.

• Reference Links

  View Full User Guide: BMW 3 Series 2020-2023 User Manual

  Download Manuals: https://www.bmwusa.com/owners-manuals.html