BMW X3 iDrive Owners Manual
See also:
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.
In the ev ...
Contacts
...
Check the tire inflation pressure regularly
Check and, if necessary, correct the tire inflation
pressure at least twice a month and before starting
on a long trip.
Low tire inflation pressure increases rolling resistance
and thus raises ...
