BMW 5 Series Owners & Service Manuals

BMW 5 Series: Tire selection: special sizes

Special sizes (special approval) which are not listed in the menu must be entered by selecting "Other tires".

Entering tire special sizes in the electronic tire pressures label on the G30

  1. Special approval (special sizes)
  2. Other tires
  3. Perform reset
  4. Note that reset possible only when stationary
  5. First teach-in stage (wheel electronics IDs known)
  6. Second teach-in stage (wheel assignment of the wheel electronics completed)

This function should be used for special tire sizes only. There is no specification of the tire pressure for this selection. Following confirmation of the special tire sizes and adjustment of the tire pressure, the TPM learns the set tire pressure after a successful teach-in drive. This means that the warning threshold values are calculated by the TPM system using the tire pressure currently set. This function in this menu is identical to that of previous TPM systems. The tire pressures must always be reset in the special sizes menu after any change (TPM reset). It is not possible to perform a nominal/actual comparison of the various tire pressures (no nominal pressure output).

In exceptional cases, this function can also be used to accommodate special customer requirements.

The output of the nominal pressure can be disabled by selecting the special sizes if a customer does not wish to accept the nominal pressures displayed. This makes it possible to teach-in an individual tire pressure for the TPM system warning threshold values.

In general, the specified minimum pressures must be observed when teaching-in new tire pressures.

For example, it is not possible to teach-in tire pressures < 2.0 bar / 29 psi. In this event, a tire pressure loss warning will be output during the teach-in time.

Tire pressure loss display

If the tire pressure falls below the stored warning threshold values the driver is informed, whether it is a case of sudden tire pressure loss or gradual tire pressure drop immediately through the Central Information Display (CID).

The system only warns of inadequate tire pressures. There is no such warning for excessive tire pressure.

Tire pressure loss warning in the G30

The wheel in question changes color from green to yellow when the tire pressure is too low.

Teaching-in the tire pressures

The vehicle must be driven at speeds >20 km/h (>12 mph) to teach-in new tire pressures. The current teach-in status (progress as a %) is indicated in the display.

Display of the procedure for teaching-in new tire pressures in the Central Information Display (CID) on the G30

  1. Note: Settings changed to; tire type: 225/55 R 17 97 Y, over 100 mph
  2. Note: Tire pressure being measured 68%
  3. Note: Tire pressure measurement successfully completed

As soon as the system has accepted the ID of the new wheel electronics (first teach-in time) the tires are shown in color in the Central Information Display (CID).

Once the tire pressures appear on the CID, the system has completed the wheel assignment (second teach-in time).


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