Abs Troubleshooting - BMW 1999-2005 M3 Service Manual

Suspension, Steering and Brakes — General
Symptom
Suspension noise, especially
over bumps (drumming,
rattling)
Tail skid when braking
Tire flat spots
Uneven ride height
Unsteady in curves,
self-steering, poor rear end
stability
Wheel noise, continuous
growling, may be more
noticeable when turning
Wheel-hop on normal road
surface
3 of 6
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Probable cause
Worn front upper strut
mounts
Worn suspension bushings
(control arm or trailing arm)
Worn stabilizer bar rubber
mounts
Loose suspension subframe
Rear trailing arm front
bushing worn or damaged
Worn struts or shock
absorbers
Incorrect coil springs
Bent or damaged suspension
components
Sagging coil springs
Rear subframe bushings
worn or damaged
Differential bushings worn or
damaged
Rear shock absorbers worn
Worn wheel bearing
Worn struts or shock
absorbers
Repairs
Replace upper strut mounts.
310
Replace worn bushings.
310, 330
Replace stabilizer bar rubber
mounts. 310
Check subframe for damage.
Tighten mounting bolts.
Replace trailing arm
bushing.
Replace struts or shock
absorbers.
Measure ride height.
Inspect, repair/replace as
necessary.
Replace springs as
necessary.
Replace rear suspension
bushings as necessary.
330
Replace rear suspension
bushings as necessary.
330
Replace rear shock
absorbers.
Replace wheel bearing.
310 , 330
Replace struts or shock
absorbers.

ABS troubleshooting

ABS is designed to be maintenance free.
There are no adjustments that can be
made to the system. Repair and
, 330
330
310 , 330
300
310 , 330
310 , 330
330
310 , 330
2/25/2009 10:24 PM