1 Series E81 130i (N52K) 3-door
34 90 ...
Troubleshooting brake system
Fault
Cause
Remedy
Brakes pull to one side
a)
Tyre inflation pressure not in
keeping with regulations
b)
Unevenly worn tyre treads
c)
Oil on pads/liners
d)
Wrong type of pads/liners
f)
Guide bolts dirty or damaged
g)
Axle geometry not correct
h)
Corrosion in floating calipers
i)
No shock absorber action
k)
Pad of one caliper worn
a)
Correct tyre inflation pressure
b)
Change or replace tyres
c)
Replace brake pads,
Check for causes
d)
Replace brake pads,
Check for causes
f)
Replace guide bolts
g)
Check wheel alignment
h)
Remove and install, repair or
replace floating callipers
i)
Check shock absorber,
replacing if necessary
k)
Replace brake pads, check
floating calliper
Brakes excessively hot while driving
a)
Compensating port in brake
master cylinder blocked
c)
Swollen rubber parts due to use
of wrong brake fluid
d)
Bleeder hole on expansion tank
blocked
e)
Corroded floating calipers
f)
Handbrake lever not released
fully
a)
Replace brake master cylinder
c)
Replace brake master cylinder
d)
Clean expansion tank
e)
Remove and install, repair or
replace floating callipers
f)
Check handbrake and
handbrake Bowden cables,
repair if necessary
Fault
Cause
Remedy
Poor braking effect in spite of great
force on pedal
Travel at brake pedal normal
Brake pads oil-splattered or burnt;
wrong type of brake pads
Replace brake pads
Poor braking effect in spite of great
force on pedal
Travel at brake pedal too short
Brake booster malfunctions - engine
vacuum
Check brake booster
Poor braking effect in spite of great
force on pedal
Travel at brake pedal too long
One brake circuit failed due to leaks
or damage
Leakage test of brake system
Brake pedal can be pressed down
softly and springily
a)
Air in brake system
RA Troubleshooting brake system
BMW AG - TIS
22.01.2013 06:07
Issue status (12/2007) Valid only until next DVD is issued
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