Bmw Z4 Roadster 2.5i 2004 Bedienungsanleitung PDF herunterladen (Seite 56)

Technology for safety and driving convenience

54

The display has two levels:

> Normal braking:

Brake lamp 1 lights up on both sides of

the vehicle together with the center

brake lamp

> Forceful braking and braking with ABS:

Brake lamps 1 and 2 light up on both

vehicle sides together with the center

brake lamp.

Antilock Brake System ABS

The concept

ABS keeps the wheels from locking during

braking, thereby enhancing active driving

safety.

Malfunctions

If the yellow indicator lamp for the

Antilock Brake System ABS comes

on together with the brake warning

lamp and the indicator lamp for the

Dynamic Stability Control DSC:

The entire ABS and DSC control

system has failed. Continue driving

cautiously and defensively. Avoid

hard brake applications. Please have the

system checked by your BMW center as

soon as possible.

Indicator lamp for the Antilock

Brake System ABS with the brake

warning lamp and the indicator

lamp for the Dynamic Stability Con-

trol DSC for Canadian models.

Braking with ABS

If you are in a situation which requires full

braking, you will exploit the full benefits of

the ABS system if you apply maximum

brake pressure: panic stop.

Pulsation at the brake pedal combines with

sounds from the hydraulic circuits to indi-

cate to the driver that ABS is in its active

mode.

Flat Tire Monitor

The concept

As you drive, the Flat Tire Monitor keeps

track of pressure levels in all four tires. The

system alerts you whenever the inflation

pressure of a tire falls significantly below

the pressure of another tire.

The system actually detects pressure loss

by monitoring differences in the relative

speeds of the four wheels. It interprets vari-

ations outside specified limits as severe

pressure loss, and then responds by gen-

erating a warning.

System requirements

In order for the Flat Tire Monitor to learn the

correct tire inflation pressure, please do the

following:

1. Check the tire inflation pressures in all

tires

2. Compare to the inflation pressure table,

refer to page 76, and correct if neces-

sary

3. Initialize the system.

If the system is not initialized,

undetected losses in pressure or

false warnings that indicate a non-exis-

tent flat tire are possible.<

System limitations

The Flat Tire Monitor cannot provide

you with advance warning of sudden

and severe tire damage caused by external

factors and does not detect the balanced

and very gradual pressure loss that takes

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