BMW ONBOARD COMPUTER Manuel de service télécharger pdf (Page 73)

What is the design

baseline for

BMW Motorrad ABS?

Within the limits imposed by

physics, the BMW Motorrad ABS

ensures directional stability on

any surface. The system is not

optimised for special require-

ments that apply under extreme

competitive situations off-road or

on the track.

Special situations

The speeds of the front and rear

wheels are compared as one

means of detecting a wheel's

incipient tendency to lock. If

the system registers implaus-

ible values for a lengthy period

the ABS function is deactivated

for safety reasons and an ABS

fault message is issued. Self-dia-

gnosis has to complete before

fault messages can be issued.

Exceptional riding conditions can

also lead to a fault message be-

ing issued:

Riding for a lengthy period with

the front wheel lifted off the

ground (wheelie).

Rear wheel rotating with the

vehicle held stationary by ap-

plying the front brake (burn-

out).

Heating up with the motorcycle

on the centre stand or an auxil-

iary stand, engine idling or with

a gear engaged.

Rear wheel locked for a lengthy

period, for example while des-

cending off-road.

If a fault message is issued on

account of exceptional riding

conditions as outlined above, you

can reactivate the ABS function

by switching the ignition off and

on again.

How important is regular

maintenance?

Invariably, a technical sys-

tem cannot perform beyond

the abilities dictated by its level

of maintenance.

In order to ensure that the BMW

Motorrad ABS is always main-

tained in optimum condition, it

is essential for you to comply

strictly with the specified inspec-

tion intervals.

Reserves for safety

The potentially shorter braking

distances which BMW Motorrad

ABS permits must not be used

as an excuse for careless riding.

ABS is primarily a means of en-

suring a safety margin in genuine

emergencies.

Take care when corner-

ing. When you apply the

brakes on a corner, the motor-

cycle's weight and momentum

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Engineering details

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