How to unlock all doors / driver’s door only on BMW X3

Vehicles equipped with Comfort Access allow you to lock or unlock your BMW with the door handle.

BMW X3, third generation – (photo by BMW)

You can select if you would like to only unlock the driver’s door or all doors when pressing ‘unlock’ on your vehicle key.


You can change the settings by selecting ‘CAR’, then ‘Settings’, then scroll the bottom menu and touch ‘Key button assignment’, and then select the desired setting: Driver’s door only, or, All doors.

If you have set that only the driver’s door unlocks when using the vehicle key, but you still want to unlock all the doors, just press the unlock button again. These same settings also affect Comfort Access.

You need to carry the vehicle key with you and keep in mind that other electronical devices may cause signal interference.

Depending on your model, you can have Comfort Access on all doors. Grab any door handle to unlock the other doors. Or, whilst being inside your BMW, press the central locking button.

What is Comfort Access

On BMW vehicles equipped with Comfort, access to the vehicle is possible without using the remote control.

It is sufficient to carry the remote control with you, e.g. in the jacket pocket.


The vehicle automatically detects the remote control nearby or in the interior. Comfort access supports the following functions:

  • Unlocking / locking the vehicle.
  • Convenience closing.
  • Unlock the tailgate individually.
  • Start the engine.

Function requirements

  • There are no external sources of interference in the vicinity.
  • The remote control must be outside the vehicle to lock.
  • Unlocking and locking again is only possible after approx. 2 seconds.
  • The engine can only be started when the remote control is in the vehicle.
Author: Nabeel K
Email: nabeel@wheelsjoint.com



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