2000 BMW 528i under car shield

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Automatic ~ransmissionl
II I
4 Install engine support across engine bay. Raise and safely
support vehicle.
Make sure the car is stable and
we1 supported at all times.
Use a professional automotive lift
orjaclc stands designed for
CAUTIOI\C
Removal of transmission will cause engine to tip unless en-
gine support is used.
- Remove splash shields from underside of vehicle.
- &cylinder models: Detach front stabilizer bar from stabilizer
bar
links. Swivel stabilizer bar upward.
- Drain ATF from transmission as described earlier.
- Remove exhaust system and exhaust heat shield. See 180
Exhaust System.
- Disconnect driveshaft from transmission and hang to one
side. See
260 Driveshaft.
4 With selector lever in park:
Hold
linkage clamping bolt (A) stationary when loosening
selector lever cable clamping nut
(6).
- Loosen cable clamping nut and remove cable from bracket
(ASS
3252 transmission shown).
- Where applicable, disconnect vehicle speed sensor harness
connector.
4 Disconnect main electrical harness connector(s) from trans-
mission by turning bayonet lock
ring(s) (arrows) counter-
clocltwise.
A4S
310R transmission: Harness connector at right rear of
transmission.
ASS
360R / ASS 390R transmission: Harness connector
(arrow) at right rear of transmission.
ASS 3252 transmission: Two connectors (arrows) on left
side of transmission.
ASS 5602 transmission: Harness connector at right rear of
transmission.
- ASS 4402 transmission: Harness connector at top left rear
of transmission.
- Remove wiring harness from transmission housing

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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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Steering and Wheel Alignment
Power assist is provided by a belt-driven pump at the lower
left front of the engine. The power steering fluid reservoir is lo-
cated at the left side of the engine compartment.
Power steering pump, removing and
installing
When working with power steering components, absolute
cleanliness is needed to ensure proper operation of the hy-
- Empty power steering fluid reservoir using clean syringe. Do
not reuse fluid.
- Raise front of car. Remove splash shield from under engine.
WARNING-
Make sure the car is firmly supported on jack stands de-
signed for the purpose. Place jack stands beneath structural
chassis points. Do not place jack stands under suspension
Darts.
Remove drive belt from power steering pump. See
020 Main-
tenance.
Remove alternator cooling duct
Remove fluid hoses from pump. Plug openings in pump and
hose ends.
Remove pump front mounting bolts
(A).
Remove fluid line support bracket (B)
Remove pump rear mounting bolt (arrow)
- Installation is reverse of removal, noting the following:
Make sure all thread bores, bolts, nuts, fluid couplings and
mating
surfaces are clean, and inside surface of multi-
ribbed-belt is free of grease and dirt.
Use new sealing washers when reattaching power steer-
ing pressure lines.
Make sure hoses have adequate clearance from chassis.
Install front pump fasteners.

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i Steering and Wheel Alignment
RACK AND PINION STEERING
(6-CYLINDER MODELS)
Refer to the steering components illustration when perform-
ing the procedures below.
Rack and pinion steering
components
(6-cylinder models)
1. Power steering fluid reservoir
2. Fluid supply line
3. Power steering pump
4. Copper sealing ring
5. Banjo bolt MI4
6. Banjo bolt MI6
7. Power steering rack
8. Fluid return line
9. Pressurized fluid line
10. Steering fluid cooler
11. Rack boot components
12. Tie rod nut
13. Washer
14. Outer tie rod end
15. Tie rod locking ring
16. Outer tie rod end loclc nut
17. Inner tie rod
18. Hydraulic control valve
Steering rack, removing and installing
- Remove steering wheel as described earlier.
- Raise front of car, and remove front wheels.
WARNING -
Male sure the car is firmly supported on jack stands de-
signed for the purpose. Place jack stands beneath structural
chassis points. Do
not place jack stands under suspension
parts.
- Remove splash shield from under engine.
- Remove right and lefl engine mount fasteners
-" ., - , . ,

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Steering and Wheel ~li~nrnentl
Steering gearbox, removing and installing
- Disconnect negative (-) battery cable. See 020 Mainte-
nance.
CAUTION-
Prior to disconnecting the battew read the battery discon-
nection cautions given in
001 General Cautions and
Warnings.
- Remove airbag unit from steering wheel. See 721 Airbag
System (SRS).
WARNING -
Improper handling of the airbag could cause serious injury
Store the
airbag with the horn pad facing up. If stored lacing
down, accidental deployment couldpropel it violently info the
air, causing
injuv
- Remove steering wheel as described earlier.
- Drain power steering system reservoir.
- Raise front of car.
WARNING -
Make sure the car is firmly supported on jack stands de-
signed for the purpose. Place jack stands beneath structural
chassis points. Do not place jack stands under suspension
Darts.
- Remove heat shield from left side of subframe.
- Remove fluid hoses from top of steering gearbox. Immedi-
ately plug all fluid openings.
Remove and discard
pitman arm self-loclting nut (arrow).

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320-28
[steering and Wheel Alignment
Pitman arm, removing and installing
- Raise front of car. Remove splash shield from under engine.
Male sure the car is
firmly supported on jack stands de-
signed for the purpose. Place jack stands beneath structural
chassis points. Do not place
jaclc stands under suspension
parts.
4 Set steering wheel in straight ahead position with tab (arrow)
aligned with mark on steering gearbox.
Remove center tie rod fastener and press tie rod out of pit.
man arm with BMW special
too1 32 1 190.
- Loosen and remove pitman arm pinch bolt
4 Mark A on steering gearbox shalt must be located in center
of
pitman arm slot.
- Reinstall center tie rod and tighten nut.
- Adjust pitman arm height as described later.
- Have vehicle professionally aligned.
Tightening torques
50:s,n5m Center tie rod to pitman arm 65
Nm (48 ft-lb)
(use new self-locking nut)
Pitman arm pinch bolt (note direction of threads) 61 Nrn (45 ft-lb)

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Steering and Wheel Alignment
Pitman arm, adjusting
As the vehicle suspension settles down, the toe on the left
and right wheels must remain identical for proper handling.
By adjusting the height of the
pitman arm, the left and right tie
rods are moved to the same ride level setting. This will opti-
mize straight-ahead travel on uneven road surfaces.
- Raise front of car. Remove splash shield from under engine.
WARNING-
Male sure the car is iirmly supported on jack stands de-
signed ior the purpose. Place jack stands beneath structural
chassis points. Do not place
jaclc stands under suspension
parts.
- Remove bolts from left and right inner control arm mounts.
Place
BMW special tool 32 2 140 through right side control
arm mounting bolt hole.
Loosen fastener
A and push pin El up so that it is firmly
against tie rod
(arrow). Tighten fastener A.
- Remove tool without disturbing position of pin El.
- Loosen pitman arm clamping bolt and slide arm up.
4 Place special tool 32 2 140 through left side control arm
mounting bolt hole.
Slide
pitman arm up or down until tie rod makes contact
with pin
(El).
Tighten pitman arm clamping bolt.
Tie rod height differences
Deviation between
left and right tie rod height -?-I .5 rnrn (LO6 in)

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I Steering and Wheel Alignment
I I 4 Gap A = 0.5 - 8.5 mm (0.02 - 0.33 in)
- Reinstall inner control arm bolts
Tightening torques
Control arm to
subframe 78 Nm (58 it-lb)
(tighten with wheel on ground)
Pitman arm pinch bolt (note direction of threads) 61 Nm (45 ft-lb)
Steering idler arm, removing and installing
The idler arm is bolted to the subframe through a bushing.
The bushing is subject to wear and is available as a replace-
ment part.
- Raise front of car. Remove splash shield from under engine.
WARNING -
Male sure the car is firmly supported on jaclc stands de-
signed for the purpose. Place jack stands beneath structural
chassis points. Do not place jack stands under suspension
parts.
4 Remove center tie rod fastener and press tie rod out of idler
arm with
BMW special tool 32 1 190.
- Remove idler arm mounting bolt through opening in sub-
frame and remove idler arm from car.
- Installation is reverse of removal.
Make sure all thread bores, bolts, nuts and mating surfac-
es are clean.
Use new self
loclting nuts to mount idler arm to subframe
and center tie rod to idler arm.
If idler arm or idler arm bushing is replaced, adjust
pitman
arm as described earlier.
Have car professionally aligned.
Tightening torques
Center tie rod to idler arm 65 Nm (48 ft-ib)
(replace self-locking nut)
Idler arm to front subirame
(replace self-locking nut) 62
Nm (46 it-lb)