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. "Vehicle Info"
2. "Vehicle status"
3. 
"Tire Pressure Monitor - TPM"
The status is displayed.
See also:
Functional readiness of the airbag
system
When the ignition is switch on,
the warning
lamp in the instrument cluster lights
up briefly and thereby indicates the operational
readiness of the entire airbag system
and the belt tension ...
Resetting the tone settings
1. "CD/Multimedia", "Radio" or "Settings"
2. "Tone"
3. "Reset" ...
Tire inflation pressure values up to 100 mph/160 km/h
320i
328i
335i
...