Check the tire inflationpressure 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:
Tire inflation pressure values over100 mph/160 km/h
X3 28i
X3 35i
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Loss of the remote controls
Lost remote controls can be blocked by your
service center. ...
Two additional gears mean threefold progress: quicker shifts, greater
smoothness, enhanced efficiency.
The wider spread of ratios allows the engine to run at lower speeds, often in
the "tallest" gear, 8th. Yet even with this wider spread, the steps between
adjacent gears are reduced; in t ...