BMW X3 Owners Manual: Carry out reset
Reset the system after each adjustment of the tire inflation pressure and after every tire or wheel change.
On the Control Display and on the vehicle:
1. "Vehicle info"
2. "Vehicle status"
3. 
"Perform reset"
4. Start the engine - do not drive off.
5. Reset tire inflation pressure: "Perform reset".
6. Drive away.
The tires are shown in gray and the status is displayed.
After driving faster than 19 mph/30 km/h for a short period, the set tire inflation pressures are accepted as reference values. The reset is completed automatically while driving.
The progress of the reset is displayed.
After a successfully completed Reset, the wheels on the Control Display are shown in green and "Tire Pressure Monitor (TPM) active" is displayed.
You may interrupt this trip at any time. When you continue the reset resumes automatically.
Status display
The current status of the Tire Pressure Monitor
TPM can be displayed on the Control Display,
e.g., whether or not the TPM is active.
1. "Vehic ...
Low tire pressure message
The yellow warning lamp lights
up. A
Check Control message is displayed.
There is a flat tire or a major loss in
tire inflation pressure.
...
Other materials:
BMW X3 Service & Repair Manual > Transfer case, general: Risk of injury if oil comes into contact with eyes and skin
Danger of injury!
Contact with eyes or skin may result in injury!
Possible symptoms are:
Impaired sight
Irritation of the eyes
Reddening of the skin
Rough and cracked skin
Protective measures/rules of conduct:
Wear safety goggles
Wear oil-resistant protective gloves
Observe co ...