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 fuel consumption and tire wear.
See also:
Resuming cruising speed
Press button 4:
The stored speed is resumed and maintained ...
Have maintenance carried out
Have vehicles maintained regularly to achieve
optimal vehicle economy and operating life.
Have the maintenance carried out by your service
center.
Please also note the BMW Maintenance System,
...
Performance
For 2009, there's just one engine: a 3.0-liter six-cylinder that's good for
260 horsepower. It teams with either a six-speed manual or a six-speed automatic
transmission. All X3s have all-wheel dr ...