BMW Z4 Bedienungshandbuch PDF herunterladen (Seite 71)

Reference At a glanceControlsDriving tipsMobility

1. Close all windows

2. Increase the air supply from the air condi-

tioner or automatic climate control to a high

level. Refer to page 58 or 61.

Hot exhaust system

High temperatures occur with every vehi-

cle equipped with a catalytic converter.

Heat shields are installed adjacent to some sec-

tions of the exhaust system. Never remove

these shields; do not apply undercoating to

their surfaces. When driving, standing at idle

and parking the vehicle, take care to avoid con-

tact between the hot exhaust system and flam-

mable materials, e.g. hay, leaves, grass, etc.

Such contact could lead to a fire, resulting in

serious personal injury and property damage.<

Hydroplaning

When driving on wet or slushy roads,

reduce vehicle speed. If you do not, a

wedge of water may form between the tires and

the road surface. This phenomenon can lead to

partial or complete loss of traction, vehicle con-

trol and braking effectiveness.<

Driving through water

Do not drive through water on the road if it

is deeper than 1 ft/30 cm, and then only at

walking speed. Otherwise, the vehicle's engine,

the electrical systems and the transmission

may be damaged.<

Use the parking brake on inclines

On inclines, keep the vehicle from rolling

by using the parking brake rather than by

slipping the clutch, which would lead to a high

degree of clutch wear.<

Braking safely

Your BMW is equipped with ABS as a standard

feature. If you are in a situation which requires

full braking, it is best to brake using maximum

brake pressure: panic stop. Since the vehicle

maintains steering responsiveness, you can still

avoid possible obstacles with a minimum of

steering effort.

Pulsation at the brake pedal combines with

sounds from the hydraulic circuits to indicate to

the driver that ABS is in its active mode.

Wet roads

If the roads are wet or if there is heavy rain, it is

advisable to gently press the brakes for a brief

moment every few miles/kilometers. Watch

traffic conditions to ensure that this maneuver

does not endanger other road users. The

resulting heat dries the brake rotors and brake

pads. Immediate braking force is then available

if necessary.

Inclines

To prevent overheating and, as a result,

diminished braking effectiveness, drive

down long or steep downhill grades in a gear

which requires the least braking. Otherwise,

even light but consistent pedal pressure can

lead to high temperatures, brake wear and pos-

sibly even brake failure.<

The braking power of the engine can be further

enhanced by downshifting the automatic trans-

mission in manual mode, if necessary, into first

gear; refer to pages 39 and 41. This prevents an

excessive load on the brakes.

Do not coast with the clutch depressed or

with the transmission or selector lever in

Neutral. Do not coast with the engine switched

off. Otherwise, the engine provides no braking

effect while the transmission is in idling posi-

tion, and there is no power-assist for braking or

steering when the engine is off.

Floor mats, floor carpets or other objects must

not be in the area near the brake or accelerator

pedal, as this could impair the movement of the

pedals.<

Corrosion on the brake rotors

Limited vehicle use, extended periods with the

vehicle parked or in storage, and operating con-

ditions in which braking is restricted to gentle,

low-pressure applications will all increase the

tendency for corrosion to form on the rotors and

contamination to accumulate on the brake

pads. This occurs because the minimal pres-

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