BMW 7 Owners & Service Manuals

BMW 7 Series: 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

The vehicle handles differently when a run-flat tire has insufficient or no tire pressure; for instance, reduced lane stability when braking, 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

Label


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

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.

Mobility System

Concept

With the Mobility System, minor tire damage can be sealed temporarily to enable continued travel.

To accomplish this, sealant is pumped into the tires, which seals the damage from the inside.

General information

  • Follow the instructions on using the Mobility System found on the compressor and sealant container.
  • Use of the Mobility System may be ineffective if the tire puncture measures approx. 1/8 inches/4 mm or more.
  • Contact a dealer's service center or another qualified service center or repair shop if the tire cannot be made drivable.
  • Do not remove foreign bodies that have penetrated the tire. Remove foreign objects only when they are visibly protruding from the tire.
  • Pull the speed limit sticker off the sealant container and apply it to the steering wheel.
  • The use of a sealant can damage the wheel electronics. In this case, have the electronics checked and replaced at the next opportunity.
  • The compressor can be used to check the tire inflation pressure.

Overview

Storage

Storage


The Mobility System is in the left storage compartment of the cargo area.

Sealant container

Sealant container


  • Sealant container, arrow 1.
  • Filling hose, arrow 2.

Observe use-by date on the sealant container.

Compressor

Compressor


  1. Sealant container unlocking
  2. Sealant container holder
  3. Tire pressure gage
  4. Reduce tire inflation pressure button
  5. On/off switch
  6. Compressor
  7. Connector/cable for socket
  8. Connection hose

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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