BMW Z4 sDrive30i, Owner'S Manual

Page: 68 / 254

Controls overview
66
Cruising range
Displays the estimated cruising range available
with the remaining fuel. The range is calculated
on the basis of the way the car has been driven
over the last 18 miles/30 km and the amount of
fuel currently in the tank.
Refuel as soon as possible once your
cruising range falls below 30 miles/
50 km; otherwise, engine functions are not
ensured and damage can occur.
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Average speed
Periods with the vehicle parked and the engine
switched off are not included in the calculations
of average speed.
With the trip computer, refer to page
67 , you
can have the average speed for another trip
displayed.
To reset average speed: press the button in the
turn indicator lever for approx. 2 seconds.
Average fuel consumption
The average fuel consumption is calculated for
the time during which the engine is running.
With the trip computer, refer to page
67 , you
can have the average consumption for another
trip displayed.
To reset average fuel consumption: press the
button in the turn indicator lever for approx.
2 seconds.
Current fuel consumption
Displays the current fuel consumption. This
allows you to see whether your current driving
style is conducive to fuel economy with mini-
mum exhaust emissions.
Displays on the Control Display
The computer can also be opened via iDrive.
1. "Vehicle Info"
2. "Onboard info" or "Trip computer"
Displays on the "Onboard info":
> Cruising range
> Distance from destination
> Estimated time of arrival if:
> A distance was manually entered into
the computer, refer to information
below.
> A destination was entered in the naviga-
tion system
*
, refer to page 121 .
Online Edition for Part no. 01 41 2 602 883 - © 08/09 BMW AG