BMW z4 2005 Manual Do Utilizador

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Average fuel consumption
If you press the onboard computer button BC in 
the turn signal lever for longer while the average 
fuel consumption is being displayed, a new 
consumption value is calculated from that point 
in time.
Any time spent when the vehicle is stationary 
and the engine shut off is ignored in the calcula-
tion.
Cruising range
The computer bases its calculations of the 
cruising range on the preceding driving style 
and on the remaining fuel in the tank.
It is important that you refuel when the 
cruising range falls below approx. 
30 miles/50 km. Otherwise, the engine cannot 
be guaranteed to operate properly and damage 
may result.
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Average speed
If you press the onboard computer button BC in 
the turn signal lever for longer while the average 
speed is being displayed, a new average speed 
value is calculated from that point in time.
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