BMW ONBOARD COMPUTER Wartungshandbuch PDF herunterladen (Seite 75)

What is the design

baseline for BMW

Motorrad ABS?

Within the limits imposed by

physics, BMW Motorrad ABS en-

sures directional stability on any

surface. The system is not op-

timised for special requirements

that apply under extreme com-

petitive 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 implausible val-

ues for a lengthy period the ABS

function is deactivated for safety

reasons and an ABS fault mes-

sage is issued. Self-diagnos-

is has to complete before fault

messages can be issued.

In addition to problems with the

BMW Motorrad ABS, exceptional

riding conditions can lead to a

fault message being issued.

Exceptional riding

conditions:

Riding for a lengthy period with

the front wheel lifted off the

ground (wheelie).

Rear wheel rotating with the

motorcycle held stationary by

applying 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.

What significance

devolves on 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 cornering. When

you apply the brakes on a corner,

the motorcycle's weight and

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73

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Engineering details

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