See also:

FTM Flat Tire Monitor
The concept The system does not measure the actual inflation pressure in the tires. It detects a pressure loss in a tire by comparing the rotational speeds of the individual wheels while moving ...

Tire inflation pressures X5 xDrive50i with two rows of seats
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Engaging transmission position
▷ Transmission position P can only be disengaged if the engine is running and the brake pedal is pressed. ▷ With the vehicle stationary, press on the brake pedal before shifting out ...