BMW SERIE 3 CONVERTIBLE 2000 Bedienungshandbuch PDF herunterladen (Seite 116)

116n

Disc brakes

Disc brakes furnish optimum decelera-

tion and braking control and greater

fade resistance under heavy use.

When the vehicle is driven only occa-

sionally, during extended periods when

the vehicle is not used at all, and in

operating conditions where brake appli-

cations are less frequent, there is an

increased tendency for corrosion of the

rotors and accumulation of contamina-

tion on the brake pads. This occurs

because the minimal pressure that

must be exerted by the pads to clean

the rotors by brake applications is

not reached.

If the brake rotors are corroded, they

will tend to respond to braking with a

pulsating effect that even extended

brake applications will fail to cure.

For your own safety: use only

brake pads that BMW has ap-

proved for your particular vehicle

model. BMW cannot evaluate non-ap-

proved brake pads to determine if they

are suited for use, and therefore cannot

ensure the operating safety of the vehi-

cle if they are installed.<

Driving notes

When driving in wet conditions and in

heavy rain, it is advisable to apply light

pressure to the brake pedal every few

miles or kilometers. Watch traffic condi-

tions to ensure that this maneuver does

not endanger other drivers. The heat

which is generated by the brake appli-

cations helps to dry the brake pads and

rotors.

Maximum braking force is obtained

while the wheels continue to rotate, but

rather when they are still barely turning

immediately prior to locking. ABS main-

tains this state automatically. If the ABS

fails, you should revert to the staggered

braking technique described on

page 119.

Extended or steep mountain descents

do not necessarily lead to reduced

braking efficiency if you drive downhill

with the transmission in a gear that

allows minimal brake applications (or,

with automatic transmission

*, in an

appropriate lower gear).

You can further increase the engine's

braking effect by selecting a lower gear,

downshifting as far as first gear or plac-

ing the selector lever in position 1.

If engine braking should prove to be

inadequate, you should still avoid ex-

tended, continuous braking. Instead of

maintaining low to moderate pressure

over an extended period of time, you

should decelerate by applying more

substantial pressure to the brake pedal

(watch for following traffic), releasing

the pedal, and then repeating the appli-

cation (staggered braking). The cooling

phases between active braking inter-

vals prevent the brakes from overheat-

ing, thus ensuring that full braking

capacity remains available at all times.

Do not coast with the clutch de-

pressed or with the shift lever or

selector lever in "Neutral". Do not drive

with the engine shut off. The engine

provides no braking effect when the

clutch is depressed or the transmission

is in "Neutral", and there is no power

assist for braking or steering when the

engine is not running.

Do not allow floor mats, carpets or any

other objects to protrude into the area

around the brake pedal, the clutch or

the accelerator, which could obstruct

their freedom of movement.<

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