1 Series E81 130i (N52K) 3-door
b)
Not enough brake fluid in
expansion tank
c)
Overheated brake fluid - vapour
lock due to excessive water
content in brake fluid or
excessive brake loads
a)
Bleed brakes
b)
Top up or change brake fluid
Bleed brakes
c)
Change brake fluid,
Bleed brakes
Brake is bled and readjusted, but
brake pedal can be pressed down
too far
a)
Primary cup seal in brake
master cylinder damaged
b)
Leaking separating cup seals
on floating piston of brake
master cylinder
c)
Leak in brake system
a)
Replace master brake cylinder
b)
Replace master brake cylinder
c)
Leakage test of brake system
Fault
Cause
Remedy
Uneven pad wear
a)
Wrong type of pads/liners
b)
Dirty floating caliper recesses,
damaged caps
c)
Corrosion in floating calipers
d)
Swollen rubber ring for piston
control
a)
Replace brake pads
b)
Remove and install, repair or
replace floating calipers
c)
Remove and install, repair or
replace floating callipers
d)
Remove and install, repair or
replace floating callipers
Brake pads worn at angle
a)
Wheel-bearing play excessive
b)
Brake disc not aligned with
floating caliper
c)
Corrosion in floating calipers
d)
Angular brake-disc wear
e)
Minimum pad thickness
undershot
f)
Spring force insufficient
g)
Guide bolts damaged
a)
Replace wheel bearings
b)
Check floating caliper
installation
c)
Remove and install, repair or
replace floating calipers
d)
Grind or replace brake disks
e)
Replace brake pads
f)
Replace spring
g)
Replace guide bolts
Seized brake pads, pad does not
move off brake disc
a)
Dirty floating caliper recesses,
damaged caps
b)
Corrosion in floating calipers
c)
Compensating port in brake
master cylinder blocked
a)
Remove and install, repair or
replace floating callipers
b)
Remove and install, repair or
replace floating callipers
c)
Replace master brake cylinder
Fault
Cause
Remedy
Brakes squeal or rattle
a)
Wrong type of pads/liners
RA Troubleshooting brake system
BMW AG - TIS
22.01.2013 06:07
Issue status (12/2007) Valid only until next DVD is issued
Copyright
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