00.40
Checking brake disc wear
•
Carefully check the brake discs for cracks, dam-
age, deformation and scoring.
•
Measure the thickness of the brake discs at sev-
eral points with a caliper gauge.
Brake disc wear limit:
front:........................................... 4.5 mm (0.177 in)
rear:............................................ 4.5 mm (0.177 in)
Replacing brake pads
34 11 008 %UDNHSDGVfront brake
e Attention:
Integral brakes, the rear brake must be ready for
use.
•
Remove the split-pin keeper (1) from threaded
pin (2).
•
Remove threaded pin (2) and spring (3).
e Attention:
Integral ABS Press back pistons on only one side
of the brake caliper. Allow the brake pad on the op-
posite side to remain in the caliper during this proc-
ess.
Make sure that the fluid level in the wheel-circuit res-
ervoir does not rise above “max”.
Risk of fluid escaping.
If fluid escapes, proceed in accordance with “In-
structions for filling reservoir”.
•
Press back piston with inner brake pad only far
enough to allow the new brake pad to be slipped
into position.
•
Remove remaining old brake pad and insert new
brake pad.
•
Press back piston with outer brake pad only far
enough to allow the new brake pad to be slipped
into position.
•
Remove remaining old brake pad and insert
new brake pad.
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.
•
After replacing the pads of a caliper, always bed
in the new brake pads with the ignition switched
on.
L Note:
Note position and arrow (4) of spring (3).
•
Install threaded pin (2) and spring (3).
•
Reinsert the split-pin keeper (1) in the groove in
threaded pin (2).
•
Check operation of the brake system with the ig-
nition switched on.
X Tightening torque:
Threaded pin in front brake caliper................. 7 Nm
Colour code:
Brake pads/brake calipers ..............................white
R22000260
R22000270
3
2
1
4
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