BMW 5 Series Owners & Service Manuals

BMW 5 Series: Display key battery

General information

Follow the following information:

  • If the charge state of the display key battery declines, the display is switched off automatically.

    The battery must be recharged so that the display can be switched back on. The operability of the standard buttons is retained until the battery is completely discharged.

  • Charge the battery for at least three hours before using the display key for the first time or if the key has not been used for an extended period.
  • The display key can be used during charging via the USB port. If the battery is fully discharged, it may take some time before the display key can be used again.
  • Due to the large number of USB chargers available on the market, it cannot be guaranteed that every charger will function properly.

    The charging duration depends on the charger used.

  • Charging via the USB port may heat up the charger and the display key.

    Charging in the wireless charging tray may heat up the tray and the display key.

    At higher temperatures, the charge current through the display key may be reduced, and in isolated cases the charge process may be interrupted temporarily.

  • When inserting the display key into the wireless charging tray, make sure there are no objects between it and the wireless charging tray.

Safety information


When charging a device that meets the Qi standard in the wireless charging tray, any metal objects located between the device and the tray can become very hot. If smart cards, memory cards or cards with magnetic strips are placed between the device and the tray, this may impair card function. There is a risk of injury and risk of damage to property. When charging mobile devices, make sure there are no objects between the device and the tray.



Connect the display key via the micro-USB charging socket to a USB port.

Manual transmission: in the center armrest

1. Open the center armrest.

1. Open the center armrest.

2. Place the display key into the recess of the wireless charging tray underneath the center armrest.

Make sure that the display is on the side of the clamp and that the lock button points upward.

3. Close the center armrest.

Steptronic transmission: in the center console

1. Open the tray cover.

1. Open the tray cover.

2. Place the display key into the middle of the wireless charging tray in front of the cup holders.

Ensure that the display is facing up.

3. Close the tray cover.


General information

A Check Control message is displayed.

BMW display key detection by the vehicle may malfunction under the following circumstances:

  • The battery of the display key is discharged.

    Charge the battery.

  • Interference of the radio connection from transmission towers or other equipment with high transmitting power.
  • Shielding of the display key due to metal objects.
  • Interference of the radio connection from mobile phones or other electronic devices in direct proximity.
  • Interference of radio transmission by a charging process of mobile devices, for instance charging of a mobile phone.

Do not transport the display key together with metal objects or electronic devices.

In the case of interference, the vehicle can also be unlocked and locked from the outside with the mechanical key.

Switching on drive-ready state via emergency detection of the BMW display key

It is not possible to switch on the drive-ready

It is not possible to switch on the drive-ready state if the display key has not been detected.

Proceed as follows in this case:

1. Hold the display key with its back against the marked area on the steering column. Pay attention to the display in the instrument cluster.

2. If the display key is detected:

Switch on drive-ready state within 10 seconds.

If the display key is not detected, slightly change the position of the display key and repeat the procedure.

Resetting the BMW display key

If the charged display key cannot be switched on anymore or if the display does not respond to entries anymore, the display key can be reset.

Press and hold the following buttons on the display key at the same time for at least 10 seconds until the display is switched off and then on again:


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