See also:

Tire Pressure Monitor TPM
The concept The tire inflation pressure is measured in the four mounted tires. The system notifies you if there is a significant loss of pressure in one or more tires. ...

For US customers
The following only applies to vehicles owned and operated in the US. If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately i ...

BMW maintenance system
BMW maintenance system The maintenance system provides information on required maintenance measures and thus provides support in maintaining road safety and the operational reliability of the ...