2000 BMW 528i compressor

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330-2
I Rear Suspension
This repair group covers removal and replacement of E39
rear suspension components. A general description of sus-
pension systems and ride height specifications can be found
in 300 Suspension, Steering and Brakes - General.
CAUTIOI\C
Some E39 models are equipped with aluminum suspen-
sion components. The following cautions apply:
Due to the chemical and corrosion characteristics of
aluminum, do not bring into contact with battery acid.
- Do not clean with wire brushes with brass or iron bris-
tles. Only use brushes with stainless steel bristles.
Do not expose to flying
sparl~s from grinding/cutting op-
erations.
* Do not subject to steel welding splashes.
0 Do not expose to temperatures over 80°C (176°F).
even for shortperlods. Temperatures in painting facili-
ties are not a problem.
Special tools
Special service tools are required for some of the work de-
scribed in this repair group. Most of these tools are special-
ized press jigs and pullers that might be replaced by standard
pullers of various sizes.
Read the procedures through before beginning any job.
< Strut upper mounting nut socket
(Tool No. BMW
31 2 21 0)
I Axle shaft removal and installation set
Spring compressor (Tool No. BMW
31 3 340.31 3 350)

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Rear ~us~ensionl
Rear strut assembly, disassembling and
assembling
Replace struts and coil springs in pairs only
Replacing the upper strut mount, spring or strut requires that
the strut assembly first be removed from the car, as described
earlier. Strut disassembly requires a spring compressor.
WARNING-
Do not attempt to disassemble the strut without a spring com-
pressor designed specifically for the job.
- Remove strut assembly from car as described in Rear strut
assembly, removing
bnd installing
4 Mount spring compressor (BMW special tools 31 3 340 and
31 3 350 or equivalent) in shop vice. Install correct-sized
spring retainers
(A).
WARNING-
Do not attempt to disassemble the struts without a spring
compressor designed specifically for this job.
* Prior to using the spring compressor checlc its opera-
tion. Do not use a spring compressor that is damaged.
Do not make any modifications to the spring compres-
sor.
Never use an impact wrench to compress or relieve
tension when using a spring compressor.
1
- Place strut assembly coil spring in spring retainers. Com-
press spring until force on upper strut mount is relieved.
Remove strut top mount self-locking nut with BMW special
tool
31 2 21 0 while counterholding strut shaft with a box end
wrench.
- Remove upper strut mount and related components. Sepa-
rate strut from spring.
NOTE-
Store the removed shock absorber upright Do not allow it to
lie horizontally or upside down for any length of time. If incor-
rect storage has occurred, place the
shoclc absorber upright
with the rod
fully extended for at least 24 hours.
- Replace strut, rubber bumper, upper strut mount or spring,
as needed.
NOTE- Relieve tension on spring compressor slowly and carefully.
Fit new spring in spring compressor so that one coil at
each end is outside spring retainer.

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330-8
Rear Suspension
4 Compress spring and install it and related components to
shock absorber. Use new self-locking upper strut mounting
nut.
1. Upper strut mount self-locking nut
2. Washer
3. Poor road surface adapter
4. Upper spring seat
5. Upper strut mount
6. Upper rubber bumper seat
7. Rubber bumper
8. Coil spring
9. Dust boot
10. Lower spring seat
I I. Strut
WARNING-
Male sure the upperself-locking nut is fully tightened before
releasing the spring compressor.
Tightening torque
Upper strut mount to strut shaft
27 Nm (20 ft-lb)
(M14, replace self-locking nut)
4 Before releasing spring tension, position upper strut mount
so that one threaded stud is on a plane with flat end of strut
bushing at other end of strut.
- Release spring compressorslowly, positioning spring ends in
shoulders of spring seats.
- Reinstall strut assembly in vehicle, as described above in
Rear strut assembly, removing and installing.

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-- I
I: ... . -. Rear Suspension! -- .- -
Air compressor pump relay, removing and
installing
- Working in cargo compartment, remove spare wheel.
4 Remove air supply pump fasteners (arrows). Turn pump
over.
- Turn relay plug 45" and remove relay.
EHC control module, removing and
installing
The EHC control module is mounted on the right side of the
spare tire
well in the cargo compartment.
- Remove spare tire.
4 Remove electrical components cover (A).
- Release control module wiring harness plug loclting clip (B)
and remove module.
- Installation is reverse of removal.
- After assembly, reset ride height using BMW diagnostic scan
tool DIS.
Air supply unit, removing and installing
CAUTION-
Maintain high levels of cleanliness around air line connec-
tions when disassembling and assembling air suspension
components. Even small dirt particles can cause
leakage in
the pressurized system.
When the airsupply unit is removed for any reason, reset ride
height using BMW scan tools DIS or
MoDiC.
- Remove spare tire.
i~B,!n,,ayPubi.l,c~u.c~"~-A~~ R

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INDEX 'tl
WARNING
Your common sense, good
judgemenl, and general alertness are
crucial to sale and successiul service
worlr. Belore attempting any work on
your
BMM be sure lo read 001
General Warnings and Cautions
and the
copyriglll page at the front 01
the manual. Review these warnings
and
caulions each lime you prepare
lo work on your BMW. Please also
read any warnings and cautions that
accompany
tile procedures in the
manual.
312-way valve (running losses)
see Fuel tank
Abbreviations, commonly used 600-14
ABS (antilock brake system)
see
Bral(es
A/C air distribution motors
see stepper motors (below)
blower final stage (resistor pack),
replacing
640-16
blower, removinglinslalling
640-1 5
compressor, replacing
640-24 condenser, replacing 64045
control panellmodule, removing1
installing
640-1 1
evaporakr, removinglinstalling 640-29
evaporator temperature sensor
640-12 expansion valve, removinglinstailing
640-27
IHKA/ IHKR system description 640-5
receiveridrier, replacing 640-26
stepper motors 640-1 3 ventilation microiilter, replacing
020-22. 640-17
see also Heating
Accelerator
iinlcage
see Maintenance
Activated carbon canister
see Fuel tank
ADS (auxiliary throttle valve)
130-57
Air compressor
330-44
Air conditioning
see
AIC
Air distribution (flap) motors
seeNC, stepper motors
Air filter see Maintenance
Air spring
300-6, 330-12
Airbag system (SRS)
2-stage
airbag 721-4
control module, replacing 721-7 driver airbag, removinglinstalling
721-8
iiead protection airbag 721-12 components 721-1 1
indicator
lighl721-4
passenger airbag, removinglinstalling
721-9 side-impact airbags crash sensor,
replacing
721-7
Airflow sensor see 130 under appropriate
fuel
injection system
Air pump
see 130 under appropriate fuel
injection system, secondary air
injection system
Air suspension
see Electronic height control
(EHC)
Alarm
see Anti-theft alarm
Alignment see
Wheei alignment
Aluminum suspension components
300-2
Antenna 650-6
Alternator see Battery, starter, alte rnator
Amplifier
650-4
Anti-theft alarm (DWA)
515-24 emergency disarming 515-31
Antifreeze (engine coolant)
see Maintenance
see also Cooling system
Antilock brake system (ABS) see Brakes
ASC see Brakes
ATF (automatic transmission fluid)
see Automatic transmission
see also Cooling systern
Automatic headlight adjustmenl
(LWR) see Lights
Automatic seat belt tensioner
720-4
Automatic shiftloclc
see
Gearshift
Automatic transmission
applications
200-3, 240-4
ATF 020-10, 200-4
capacity 240-8 checking 240-6
drainingifilling 240-7
heat exchanger 170-5
fluid pan and strainer 240-9 gearshift
see Gearshift
ID tag
200-3 range switch 610-6
removaliinstallation 240-10
steptronic see Gearshift
Auxiliary cooling fan
see
Coollng system, electric Ian
Auxiliary throttle valve (ADS)
130-57
Axle joint
see Drive axle
Back-up light switch
automatic transmission see Automatic transmission. range switch
- .~.~~~
manual transmission 230-8 -
- I

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WARNING
Your common sense, good
judgement, and general alertness are
crucial lo sale and
successlul service
work. Belore attempling any work on
your BMW, be sure to read 001
General Warnings and Cautions
and lhe copyright page
a1 llle Iron1 01
the manual. Review lliese warnings
and cautions each time you prepare
lo work on your
BMW Please also
read any warnings and
caulions lhal
accompany the procedures In !he
manual.
Component locations
see Electrical system
Compression test
113-5
Compressor see
AlC
Condenser see
AlC
Constant velocity (CV) joint
see Maintenance
see also
Driveshall
see also Drive axles
Consumer cutoff
600-10
Control arm see Front suspension
see also Rear suspension,
suspension arms
Coolant (antifreeze) see Maintenance
see also Cooling system
Coolant pump
see Cooling system Cooling system
coolant bleeding
170-14 6-cylinder engine, draininglfilling
170-10
V-8 engine, draininglfilling 170-12
coolant pump 170-3
6-cyiinder engine, replacing 170-1 9
V-8 engine, replacing 170-20 cooling fan 170-4
viscous ciutch fan, removingi
installing 170-14
electric fan, removlngiinstailing 170-1 5
expansion tank, removinglinstalling
170-22
electrically heated (ciiaracterislic
map) therrnostat 170-4
radiator, removinglinstaliing 170-22
service
see Maintenance
therrnostat 170-16
transmission fluid heat exchanger
170-5 troubleshooting 170-7
combuslion leal( test 170-10
pressure test
170-9
Crankshaft oil seals
iront
117-6
rear 11 9-6
Crankshaft speed sensor
see Ignition syslem
Crash sensor
see
Airbag system (SRS), side-impact
airbag crasii sensor
Cruise control clutch switch 612-9
CV joint
see Maintenance
see also Driveshalt
see also Drive axles
CV joint boot
see Maintenance
see also Drive axles
Cylinder head removinglinslaliing
M52 engine 113-8
M52 TU / M54 engine 113-22
M62 engine 113-56
Cylinder head and valvetrain
hydraulic lifters, checking and
replacing
116-7 leak test 116-5 valves 11 6-56
see
alsocylinder head Dashboard
513-7
Deck
lid
seeTrunk lid
Diagnostic monitors
OED-4
Diagnostic trouble codes
(DTCs)
080-7
Digital multimetel
010-17
Differential see Final drive
DLC (data
link connector) 020-4, OED-4
DME (digital motor electronics)
see
130 under appropriate fuel
injection system
see also ignition system
DM-TL (detection module-tank leak)
see
Fuel lank, leak deteclion unit
Drive
belts
see Maintenance
Dome light
seeLighls, interior lights
Door
door
check, replacing 411-4
hinge adjustment 41 1-5
loci(
see Door lock see also Central locking
removinglinslaliing 41
1-2
panel, removinglinstaliing 41 1-7 window
see Door window
Door
check
see Door
Door
handle
see Door lock
Door glass
see Door window
Door
lock
handles and loci(s 515-16
see also Central locking
Door
molding
510-13
Door panel see Door