5 Series E60 520d (N47) SAL
1.
If this problem only arises when braking, check the run-out of the brake disks.
(See Service Information bulletin 34 01 93 (655).
2.
Drive around to warm up the tyres (flatspot) and then balance them, or fit your set of master reference wheels.
3.
Check wheel bearing play and replace any faulty wheel bearings.
(See Repair Instructions 31 21 180).
4.
Check whether the following components are damaged, stiff, corroded, worn, have play, are worn out: ball joints,
McPherson strut mounts, steering shaft bearings, universal joints of the steering shaft, track rod joints, flexible
wheel suspension joints, control arm bearings, tension rod bearings/rubber bushings, anti-roll bar bearings,
pendulum supports, ball joints on the rack, rubber covers and gaiters. If necessary, replace components.
5.
Check the shock absorbers.
(For shock tester values, see current Service Information bulletins 37 01 94 (782) and 37 01 92 (562)).
Complaint:
Poor directional stability (straight-ahead tracking), vehicle swimming (ZHL)
1.
Check the tyre pressure and adjust if necessary.
Is the rim/tyre size and the combination of rim and tyre approved?
2.
Check wheel bearing play and replace any faulty wheel bearings.
(See Repair Instructions 31 21 180).
3.
Check whether the following components are damaged, stiff, corroded, worn, have play, are worn out: ball joints,
McPherson strut mounts, steering shaft bearings, universal joints of the steering shaft, track rod joints, flexible
wheel suspension joints, control arm bearings, tension rod bearings/rubber bushings, anti-roll bar bearings,
pendulum supports, ball joints on the rack, rubber covers and gaiters. If necessary, replace components.
4.
Check whether all relevant threaded chassis and suspension joints and steering components are fitted securely
and tighten if necessary.
(For tightening torques, see Technical Data.)
5.
Check the shock absorbers.
(For shock tester values, see current Service Information bulletins 37 01 94 (782) and 37 01 92 (562)).
6.
Check the chassis and suspension tuning and carry out suspension alignment using the KDS (Kinematic
Diagnosis System).
(See Repair Instructions 32 00 150).
Complaint:
Sporadic failure of steering power assistance, steering sticking (ZHL)
1.
In vehicles equipped with power-assisted rack and pinion steering and Servotronic, check the
converter/Servotronic using the DIS diagnosis program.
2.
Check the drivebelt for residues of coolant and oil and replace if necessary.
Important!
Always replace the drivebelt if it is soiled with hydraulic fluid.
(See Repair Instructions 11 28 010).
3.
Idle speed/idle speed fluctuating to below nominal value; engine speed not high enough for providing power
assistance. Adjust the engine speed.
(For nominal value, see Technical Data 13 00.)
4.
Check the fluid level in the reservoir. A definite loss of oil indicates there may be a leak or leaks in the steering
system. Check the steering system for leaks and repair, fill and bleed the system if necessary.
(See Repair Instructions 32 13 006).
5.
There is dirt in the steering system. Flush out the steering system:
SI Aid to Diagnosing the Steering System
BMW AG - TIS
23.01.2013 15:37
Issue status (12/2007) Valid only until next DVD is issued
Copyright
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