BMW 3 Owners & Service Manuals

BMW 3: Run-flat tires

Concept

Run-flat tires permit continued driving under restricted conditions even in the event of a complete loss of tire inflation pressure.

General information

The wheels consist of tires that are self-supporting, to a limited degree, and possibly special rims.

The support of the sidewall allows the tire to remain drivable to a restricted degree in the event of a tire inflation pressure loss.

Follow the instructions for continued driving with a flat tire.

Safety information

Warning Your vehicle handles differently with a run-flat tire with no or low inflation pressure; for instance, your lane stability when braking is reduced, braking distances are longer and the self-steering properties will change. There is a risk of accident. Drive moderately and do not exceed a speed of 50 mph/80 km/h.

Label

Wheels and tires

The tires are marked on the tire sidewall with RSC Run-flat System Component.

Repairing a flat tire

Safety measures

  • Park the vehicle as far away as possible from passing traffic and on solid ground.
  • Switch on the hazard warning system.
  • Secure the vehicle against rolling away by setting the parking brake.
  • Turn the steering wheel until the front wheels are in the straight-ahead position and engage the steering wheel lock.
  • Have all vehicle occupants get out of the vehicle and ensure that they remain outside the immediate area in a safe place, such as behind a guardrail.
  • If necessary, set up a warning triangle at an appropriate distance.

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