BMW R 1200 RT Service Manual download pdf (Page 100)

If the front wheel lifts clear of the

ground under severe accelera-

tion, the ASC reduces engine

torque until the front wheel re-

gains contact with the ground.

Under these circumstances,

BMW Motorrad recommends

rolling the throttle slightly closed

so as to restore stability with the

least possible delay.

When riding on a slippery sur-

face, never snap the throttle

twistgrip fully closed without

pulling the clutch at the same

time. Engine braking torque can

cause the rear wheel to lock, with

a corresponding loss of stability.

The BWM Motorrad ASC is un-

able to control a situation of this

nature.

Tyre pressure

monitoring RDC

OE

Function

A sensor integrated into each

tyre measures the air temperat-

ure and the air pressure inside

the tyre and transmits this in-

formation to the control unit.

Each sensor has a centrifugal-

force tripswitch that does not

enable transmission of the meas-

ured values until the motorcycle

has accelerated to above approx-

imately 30 km/h for the first time.

The display shows

-- for each

tyre until the tyre-pressure signal

is received for the first time. The

sensors continue to transmit the

measured-value signals for ap-

proximately 15 minutes after the

motorcycle comes to a stop.

The control unit can adminis-

trate four sensors, so two dif-

ferent sets of wheels with RDC

sensors can be alternated on

the motorcycle. An error mes-

sage is issued if wheels without

sensors are fitted to a motorcycle

equipped with an RDC control

unit.

Tyre-pressure ranges

The RDC control unit differenti-

ates between three tyre-pressure

ranges, all of which are paramet-

erised for the motorcycle:

Tyre pressure within permitted

tolerance.

Tyre pressure close to limit of

permitted tolerance.

Tyre pressure outside permit-

ted tolerance.

A warning is also issued if tyre

pressure drops sharply but stays

within the permitted tolerance.

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96

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Engineering details

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