BMW Z4 Roadster Owner's Handbook Manual page 160

CONTROLS
General
The adaptive light functions consist of one sys‐
tem or multiple systems, depending on the
equipment version:
▷ Variable light distribution, see page 160.
▷ Cornering light, see page 160.
▷ Roundabout light, see page 160.
Activating
Press the button on the light switch ele‐
ment.
The LED in the button illuminates.
The adaptive light functions are active when
drive-ready state is switched on.
Variable light distribution
Principle
Variable light distribution enables even better illu‐
mination of the carriageway.
General
The light distribution is automatically adapted to
the speed.
If equipment includes a navigation system, the
light distribution is automatically adapted de‐
pending on the navigation data and speed.
City light
The illuminated area of the low-beam headlights
is extended at the sides.
Motorway beam pattern
The illumination width of the low-beam head‐
lights is expanded.
160
Lights
Cornering light
In sharp turns up to a specified speed, for exam‐
ple in hairpin bends or when turning off, a corner‐
ing light is added to illuminate the inside area of
the bend.
The cornering light is activated automatically de‐
pending on the steering angle or use of the turn
indicators.
The cornering light may be activated automati‐
cally when driving in reverse, irrespective of the
steering angle.
Roundabout light
Shortly before driving onto a roundabout, the
cornering light on both sides is switched on. The
edge of the road is better illuminated. Shortly be‐
fore leaving a roundabout, the cornering light on
both sides is switched off again.
Adaptive headlight beam
throw adjustment
Adaptive headlight beam throw adjustment com‐
pensates for acceleration and braking manoeu‐
vres to prevent oncoming vehicles from being
dazzled and to ensure optimum illumination of
the road.
High-beam assistance
Principle
High-beam assistance detects other road users
in good time and activates or deactivates the
high beam depending on the traffic situation.
General
High-beam assistance ensures that the high-
beam headlights are switched on when the traffic
situation allows. The high-beam headlights are
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