The vehicle can be accessed without activating the remote control.
All you need to do is to have the remote control with you, such as in your pants pocket.
The vehicle automatically detects the remote control when it is in close proximity or in the car's interior.
Comfort Access supports the following functions:
Functional requirements
BMW X3 Owners Manual > Tire inflation pressure: Tire inflation pressure values up to 100 mph/160 km/h
X3 sDrive28i, X3 xDrive28i,
X3 xDrive28d
X3 xDrive35i
...