2000 BMW 528i installing AC

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/~ront Susaension
Front suspension arms FRONT SUSPENSION ARMS
Scyllnder models (5251,5281,530i)
Control arms and tension struts are attached to the front sub-
Front suspension arms V-8 models (5401)
frame through rubber bushings and to the steering ltnuckles
by ball joints.
NOTE-
Tension struts are sometimes called thrust arms or thrust
rods.
Control arms or tension struts are sometimes called lower
front arms or lower rear arms.
Inspect ball joints for wear and looseness. lnspect bushings
for wear or fluid
lealts. The ball joint can only be replaced as
part of an entire suspension arm assembly. Some suspen-
sion arm
bushinas are available as re~lacement Darts. Al-
ways replace in pairs
NOTE-
Steering wheel vibration during braking (usually at road
speeds of
50 to 60 m.p.h.) are often causedby faulty suspen-
sion arm bushings, not out-of-true brake rotors.
Some special tools may be required to remove suspension
arms and to replace bushings. Read procedures through be-
fore beginning the job.
Control arm, removing and installing
(6-cylinder models)
- Raise car and remove wheel
Male sure
that the car is firmly supported on jack stands de-
signed for the purpose. Place jack stands underneath struc-
tural chassis points. Do not place jack stands under
suspension
parfs.
Cars equipped with vertical headlight adjustment system:
Disconnect control arm from level sensor.
Remove control arm fasteners (arrows). Lightly tap inner
control arm mounting bolt out of subframe.

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Front Suspension
< Use BMW special tool 31 2 240 or equivalent to separate
control arm ball joint from steering ltnuckle.
- When installing control arm, make sure all thread bores.
bolts, nuts and mating surfaces are clean.
- Install bushing end of control arm to subframe, using wash-
ers on both sides of bolt and a new self-locking nut. Do not
tighten nut at this time.
- Install control arm ball joint to steering lknucltle using a new
self-locking nut. Tighten fully.
- Install wheel and lower car.
- Load car to normal loaded position as described under Ride
height. See
300 Suspension, Steering and Brakes-Gen-
eral. Bounce suspension a few times.
- With car on ground and loaded, tighten control arm bushing
through-bolt.
Tightening torques
Control arm to steering ltnuckle
80 Nm (59 ft-lb)
Control arm to subframe 110 Nm (81 It-lb)
Road wheel to hub 120ilO Nm (8957 it-lb)
Control arm, removing and installing
(V-8 models)
- Raise car and remove wheel
WARNING-
Make sure that the car is firmly supported on jack stands de-
signed for the purpose. Place jack stands underneath struc-
tural
cliassis points. Do not place jack stands under
suspension parts.
Loosen and remove stabilizer bar link mounting nut
(A) while
counterholding ball joint
(B). Disconnect stabilizer link from
stabilizer bar.
- Cars equipped with vertical headlight adjustment system:
Disconnect control arm from level sensor.

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310-1 5
Front ~us~ension/
4 Remove control arm fasteners (arrows). Lightly tap inner
control arm mounting bolt out of subframe.
Use
BMW special tool 31 2 240 or equivalent to separate ball
joint from steering knuckle.
When installing control arm, make sure all thread bores,
bolts, nuts and mating surfaces are clean.
lnstall bushing end of control arm to subframe, using wash-
ers on both sides of bolt and a new self-loclting nut. Do not
tighten nut at this time.
lnstall control arm ball joint to steering knuckle, using new
self-locking nut. Tighten fully.
- Slide strut back into position and tighten strut pinch bolt fully.
- Install wheel and lower car.
- Load car to normal loaded position as described under Ride
height. See
300 Suspension, Steering and Brakes-Gen-
eral. Bounce suspension a few times.
- With car on ground and loaded, tighten control arm bushing
through-bolt.
Tightening torques
Control arm to steering knuckle 80 Nm
(59 ft-lb)
Control arm to
subframe 78 Nm (58 ft-lb)
Road wheel to hub
120
f 10 Nm (89 +7 ft-lb)
Stabilizer bar
link to stabilizer bar
59 Nm (44 fl-lb)
Strut pinch bolt
81 Nm (60 it-lb)

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I Front Suspension
Tension strut, removing
and installing
- Raise car and remove wheel.
WARNING-
Make sure that the car is firmly supported on jack stands de-
signed for the purpose. Place jack stands underneath struc-
tural chassis points. Do not place
jack stands under
suspension parts.
- Remove engine splash shield
6-cylinder models: Remove
brake cooling duct.
V-8 models: Detach stabilizer bar from front subframe.
Mark installation position of strut tube (arrow) at steering
ltnuckle pinch collar.
NOJE-
* The strut tube installation position is marlted on factory
strut tubes:
L for left and R for right.
* Marlting the strut tube is not necessary if factory marks (L
or R) are still visible.
CAUJION-
Use paint, not a scribe tool, to mark location of strut tube. 1
4 Counterhold strut tube pinch bolt (arrow) while loosening
nut.

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31 0-1 7
Front ~uspensionl
< Spread steering knuckle pinch collar with BMW special tool
31 2 200 to release strut tube.
- Pull steering knuckle down so strut tube slides up farenough
to gain better access to tension strut or tension strut nut.
4 Unscrew ball joint nut (arrow) from steering knuckle. Use
BMW special tool
31 2 240 to remove ball joint from steering
Iknucltle.
CAUTION--
Tale care not to damage the balljoint threads if the tension
strut
is to be reused.
- Remove through-bolt attaching tension strut to subframe.
- When installing tension strut, make sure all thread bores,
bolts, nuts and mating
suriaces are clean.
- Install bushing end of tension strut to subframe using wash-
ers on both sides of bolt and a new self-locking nut. Do not
tighten nut at this time.
- Install tension strut ball joint to steering knuckle using new
self-locking nut. Tighten fully.
- Slide strut back into position and tighten strut pinch bolt fully.
- Install wheel and lower car.
- Load car to normal loaded position as described under Ride
height. See
300 Suspension, Steering and Brakes-Gen-
eral. Bounce suspension a few times.
- With car on ground and loaded, tighten tension strut bushing
through-bolt.
Tightening torques Road
wheel to hub 120-i-10 Nm (89+7ft-lb)
Stabilizer bar to subframe 24 Nm (1 8 ft-lb)
Tension strut to steering
knucltle
80 Nm (59 ft-lb)
Tension strut
to subframe 110 Nm (81 ft-lb)
81 Nm (60 it-lb)
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31 0-21
Front Suspension
4 Remove four bearing hub mounting bolts (arrows) and tap
hub assembly out of steering knuckle.
4 Before installing new wheel bearing and hub assembly, be
sure hub and steering knuckle sealing surfaces are free of
dirt and grease.
- Installation is reverse of removal.
Replace hub mounting bolts.
Use new self-locking nuts at steering tie rod and stabilizer
link.
Tightening
torques
Road wheel lugs to hub 120i-10 Nm (89i-7ft-lb)
Stabilizer link to stabilizer bar
Steering tie rod to steering
ltnuckle
Tension strut to steering
knucltie
Wheel bearing hub to steering
Itnucltle (replace bolts)
65 Nm (48 ft-lb)
65
Nm (48 it-lb)
80 Nm (59 ft-lb)
1
lo Nm (81 ft-lb)

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31 0-22
I Front Suspension
Stabilizer bar, removing and installing
On E39 models the front stabilizer bar links attach to the strut
assemblies.
- Raise car and support safely.
Male sure that the car is firmly supported on jack stands de-
signed for the purpose. Place jack stands underneath struc-
tural chassis points. Do not place jaclc stands under
suspension parts.
< Remove slaol zer bar connecring I nk rnounl ng nLts (A) from
r~glit and eft s~des of slaol lzer bar C~~nIerhol~ ball ]olnl (6)
with flat wrench
NOTE-
Use a thin wrench to counterhold shaft of stabilizer bar link
ball joint while removing mounting nut.
< Remove stabilizer bar anchor bushing nuts (arrows) on right
and left sides and remove bar.
- Installation is the reverse of removal, noting the following.
Use new self-locking nuts on stabilizer bar links.
Installation of stabilizer bar is easiest with car level (front
wheels at the same height).
Tightening torques Stabilizer bar to stabilizer link
59 Nm (44 ft-lb)
Stabilizer anchor to subframe 22 Nm (16 ft-lb)

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1 320 Steering and Wheel Alignment
General ........................... .32 0.2
Special tools
........................ .32 0.2
Steering system
..................... .32 0.4
Steering system variations
............. .32 0.5
Steering system warnings and cautions
... .32 0.6
Steering Wheel .................... .32 0.7
Steering wheel. removal and installation
.. .32 0.7
Steering Column ................. .32 0.1 0
Steering column components .......... .32 0.10
Steering column trim, removing
and replacing
...................... .32 0.10
lgnition switch ring antenna (EWS).
removing and installing
............... .32 0.1 1
lgnition lock cylinder.
removing and installing
............... .32 0-1 1
Steering column lock. removing
and installing
....................... .32 0.12
lgnition
interloclc cable. removing and installing
(models with automatic transmission)
... .32 0.13
Interlock cable. adjusting
(models with automatic transmission)
... .32 0.14
Steering column. removing and installing
. .32 0.14
Steering column adjustment motors.
removing and installing
............... .32 0.16
Power Steering Pump ............. .32 0.17
Power steering pump. removing
and installing
....................... .32 0.1 7
Power steering system.
bleeding and filling
.................. .32 0.18
Rack and Pinion Steering
(6-cylinder models)
............... 320-19
Rack and pinion steering components
(6-cylinder models)
.................. 320-1 9
Steering rack. removing and installing
.... 320-19
Steering
rack boot. replacing ........... 320-22
Tie rod (outer). replacing
.............. 320-22
Tie rod (inner). replacing
.............. 320-23
Steering Gearbox (V-8 models) .... 320-24
Steering gearbox system components
. .
(V-8 models) ....................... 320-24
Steering gearbox, removing and installing 320-25
Pitman arm. removing and installing ..... 320-28
Pitman arm. adjusting ................ 320-29
Steering idler arm. removing
and installing
....................... 320-30
Idler arm bushing. replacing ........... 320-31
Center tie rod. replacing
.............. 320-32
Wheel Alignment .................. 320-33
Camber
........................... 320-33
Caster
............................ 320-33
Front toe and toe difference angle
....... 320-34
Reartoe ........................... 320-34
Preparing for alignment
............... 320-35
Alignment specifications tables
......... 320-35