34.26
Instructions for filling front wheel
circuit reservoir
e Attention:
Integral brakes, the rear brake must be ready for
use.
– Install rear brake pads, if applicable.
•
Top up fluid in front wheel-circuit reservoir to
“MAX” if necessary
•
Install adapters 22, BMWNo.341533, in reset-
ting tool, BMW No. 34 1 531/532, for both front
brake calipers, and tighten the resetting tool until
the adapters are secure.
e Attention:
The piston in the base of the wheel-circuit reservoir
must always be covered by the fluid, as otherwise air
can be drawn into the brake system.
Bleed the system again if this happens.
•
Switch on the ignition.
L Note:
After switching on the ignition, always wait for the
BMW Integral ABS to complete its self-diagnosis.
Do not operate the brake lever until self-diagnosis
has completed.
•
Pull handbrake lever until the pistons of the front
brake calipers are in contact with resetting
tool, BMWNo.341531.
•
Top up the fluid in the wheel-circuit reservoir until
one of the three protrusions in the filler neck just
touches the surface of the fluid (arrow).
•
Screw container, BMW No. 34 1 581,
onto front wheel circuit reservoir.
•
Remove adapter, BMW No. 34 1 533, and force
back pistons far enough to allow the brake pads
to be fitted.
•
Install front brake pads.
•
With the ignition switched on, bed in the brake
pads against the brake discs.
•
Disconnect the container from the wheel-circuit
reservoir.
•
Hand-tighten cap of front wheel-circuit reservoir.
•
Check operation of the brake system with the ig-
nition switched on.
e Attention:
After all the work on the brake system has been
completed, run a bleed test using the
BMW MoDiTeC and check the fault code memory!
Brake fluid ...................................................DOT 4
X Tightening torque:
Bleed screw in front brake caliper .................. 7 Nm
R22000300
34 1 531
34 1 532
34 1 533
MAX
MIN
R28340090
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