BMW 2015 i3 Bedienungshandbuch PDF herunterladen (Seite 85)

The following exemplary driving situations may

show that:

▷ Decelerating downhill.

▷ Deceleration before a red light.

Avoid late or abrupt braking. Instead, deceler‐

ate the vehicle using energy recovery.

Coasting

The electric drive makes it possible to roll with‐

out consuming energy. This driving condition

is referred to as coasting.

Proactive driving reduces energy consumption

and increases the range.

With vehicle rolling, no energy is recovered.

Exemplary traffic situations

If a route can be traveled without anticipated

need for braking, it is advantageous to roll.

The following exemplary driving situations may

show that:

▷ Rolling on a straight downhill route without

obstacles.

▷ Coasting on a route without obstacles.

Avoid late or abrupt braking.

Range Extender

Increase range

If the charging state of the high-voltage battery

drops during travel to a minimum value, the

Range Extender starts and supplies the re‐

quired electrical energy for driving on.

The symbol on the charging state indicator

designates a Range Extender reel-on time.

The Range Extender controls its output auto‐

matically, turns itself off and restarts according

to the driving situation.

The high-voltage battery will not be charged

by the Range Extender.

Automatic maintenance run

To ensure that the Range Extender functions

properly even during longer periods of non-

use, the Range Extender is automatically acti‐

vated for a few minutes at certain intervals dur‐

ing the trip. Respective Check Control

messages indicate the dry run. Should that oc‐

cur at an unfavorable time you may cancel the

dry run by pressing the Start/Stop button. It

postpones the dry run.

Should the high-voltage battery be fully

charged or if there is not enough gas in the

tank then a dry run will not be executed.

Heavily discharged high-voltage

battery

If the high-voltage battery is heavily dis‐

charged during the trip, the performance and

some comfort features are reduced step-by-

step to extend the range.

Heated high-voltage battery

With a stationary dirt

In exceptional cases, it is possible that the

high-voltage battery heats up sharply when the

vehicle is stationary. E. g. with extreme exter‐

nal temperatures and direct solar radiation.

With a overheated high-voltage battery, drive

readiness cannot be switched on.

A Check Control message is displayed.

Another message will indicate when drive

readiness is available again.

While driving

If the high-voltage battery overheats during the

trip, the performance is reduced step-by-step

in order to cool down the battery. The ePO‐

WER performance display in the instrument

cluster returns in the process. When tempera‐

ture increases further, park the vehicle until the

high-voltage batter has cooled down. Should

the performance display fall to 0, drive readi‐

Seite 69

Driving Controls

Online Edition for Part no. 01 40 2 960 865 - II/15

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