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into the control unit and are fun-
damental to all calculations. Any
change in these influencing vari-
ables, caused for example by a
switch to non-standard installed
wheels, can have serious effects
on the performance of the con-
trol systems.
The sensor rings are essential
for correct road-speed calcula-
tion, and they too must match
the motorcycle's control sys-
tems and consequently cannot
be changed.
If you decide that you would like
to fit non-standard wheels to
your motorcycle, it is very im-
portant to consult a specialist
workshop beforehand, preferably
an authorised BMW Motorrad
dealer. In some cases, the data
programmed into the control
units can be changed to suit the
new wheel sizes.
Removing front wheel
The front-wheel cover has
to be detached on one
side to facilitate wheel removal/
installation.
Make sure the ground is level
and firm and place the motor-
cycle on its stand.
Slacken screws 1.
Mask off the parts of the wheel
rim that could be scratched in
the process of removing the
brake calipers.
Disengage the sensor
cable arrow from the holder.
Remove screw 1 and remove
wheel-speed sensor 2 from its
bore.
8
79
z
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