BMW R 1150 R Repair Manual page 57

The rear wheel circuit should be bled only
– Draw off the old brake fluid from the wheel circuit
reservoir.
– Remove the rear brake pads, press back and po-
sition the pistons.
– Wrap a cloth around the rear brake caliper.
34 1 561
34 2 541
•
Fill the rear wheel circuit reservoir to the "MAX"
marking and screw on the
cover, BMW No. 34 2 541.
•
Connect the 1.5 m (4.9214 ft) silicon hose,
BMW No. 34 1 561, to the bleed screw.
L
Note:
If necessary, use a cable tie to secure the bleed
hose to the bleed screw.
•
Switch on the ignition.
L
Note:
Always wait for the BMW Integral ABS to complete
its self-diagnosis after the ignition is switched on.
Do not operate the brake lever until self-diagnosis is
complete.
•
Very gently press the footbrake until the pump
just starts up.
•
Open the bleed screw.
•
Pump the brake fluid at virtually no pressure until
the hose is full of brake fluid.
•
Position the end of the hose on the
cover, BMW No. 34 2 541.
•
Pump the brake fluid under virtually no pressure
to begin with, then vary the brake pressure.
d
Warning:
The brake fluid must not foam in the hose.
If this should happen, follow the procedure for
bleeding/changing brake fluid in the rear wheel cir-
cuit. ( 00.46)
a
•
Pump brake fluid through the system until it is
clear and free from air bubbles.
•
Close the bleed screw.
•
Release the brake and switch off the ignition.
•
Detach the silicone hose, BMW No. 34 1 561,
from the bleed screw and empty it.
•
Remove the cover, BMW No. 34 2 541.
e
Attention:
After changing and/or bleeding the brakes, always
top up the fluid in the wheel circuit reservoir to the
correct level in accordance with the instructions.
•
Fill rear wheel circuit reservoir with brake fluid in
R28000230
accordance with instructions.
( 00.48)
a
•
Perform a function check on the brake system
with the ignition switched on.
e
Attention:
Once all the work has been completed, perform a
bleed test using the BMW MoDiTeC.
Brake fluid ...................................................DOT 4
X
Tightening torque:
Rear brake caliper bleed screw ...................... 6 Nm
Brake caliper to rear wheel drive .................. 40 Nm
00.49