differential oil BMW 528i 2000 E39 Workshop Manual

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020 Maintenance
General ........................... .02 0.2
Special tools ........................ .02 0.2
Service Interval Indicator (Sll) ........... .02 0.3
Service Interval Indicator (Sll), resetting ... .02 0.3
Inspection I, Inspection 11 ............... .02 0.5
Maintenance Tables ................ .02 0.6
Fluid and Lubricant Specifications .. .02 0.9
Fluids and lubricants ................. .02 0.10
Engine Oil Service ................ .02 0.1 I
Engine oil. checking level ............. .02 0.12
Engine oil and filter. changing .......... .02 0-13
Engine Compartment Maintenance . .02 0.14
Accelerator and linkage ............... .02 0.14
Air filter. replacing ................... .02 0.1 4
Cooling system service ............... .02 0.15
Engine drive belt service .............. .02 0.16
Idlespeed .......................... 020-19
Catalytic converter and oxygen sensors .. .02 0.19
Power steering fluid, checking level ..... .02 0.20
Spark plugs ........................ .02 0.20
Spark plugs, replacing ................ .02 0.21
Interior ventilation microfilter, replacing ... .02 0.22
Other Mechanical Maintenance ..... .02 0.22
Battery, checking. cleaning. and replacing .02 0-22
Brake fluid. replacing ................. .02 0-24
Brake pad 1 rotor wear. checking ........ .02 0.24
Brake system, inspecting ............. .02 0.25
Parking brake. checking ............... 020-25
Clutch fluid. checking ................. 020-26
Differential oil level. checking ........... 020-26
Drive axle joint (CV joint) boots. inspecting 020-27
Exhaust system. inspecting ............ 020-27
Fuel filter. replacing .................. 020-27
Fuel tank and fuel lines. inspecting ...... 020-28
Suspension. front. inspecting ........... 020-29
Suspension. rear. inspecting ........... 020-29
Tires. checking inflation pressure ........ 020-29
Tires. rotating ....................... 020-29
Transmission service. automatic ........ 020-29
Transmission service. manual .......... 020-30
Transmission fluid. checking and filling
(manual transmission)
................ 020-30
Wheels. aligning ..................... 020-30
Body and Interior Maintenance ..... 020-31
Body and hinges. lubricating ........... 020-31
Exterior washing ..................... 020-31
Interior care ........................ 020-31
Leather upholstery and trim ............ 020-31
Polishing ........................... 020-32
Seat belts .......................... 020-32
Special cleaning ..................... 020-32
Washing chassis ..................... 020-32
Waxing ............................ 020-32
Windshield wiper blade maintenance ..... 020-33

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020-1 1
Maintenance
Table g. Differential oil
(Lifetime fluid; no fluid change required)
Differential
/Approximate. capaclty (in~t~al fill) I Spec~f~cat~on , , .
G 1.6 liter
(1.7 US
at) I
188 Compact I .O liter BMW SAF-XO
(1 .I US ql) synthetic oil
1.4
liler 220 1215 Compact US qt) I
Table h. Engine Coolant
Year, model
latent heater:
V-8 13.5 liter
1997:
6-cylinder
V-8
Table
i. Brake fluid
Bralte system fiuld BMW hlgh
performance, DOT 4
Approximate
capacity
9.9 liter (10.5 US qt)
11.4 liter (12.0 US qt)
With the introduction of synthetic oil and extended oil change
intervals, a new oil filterwith improved filter paper design was
introduced. The new filter paper resists deterioration caused
by high oil temperatures over an extended time.
Specification
Use BMW specified oil to top off the engine oil level between
oil changes.
BMW recommends the following engine oils:
Table
j. Engine Oil Specification
Years
IOii description I BMW part no.
1999 and later mineral
oil
BMW
HP 5W-30
svnthetic oil 07
51 0 017 866

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020-26
Maintenance
NOTE-
The parking brake may lose some of its effectiveness if it is
not used frequently This is due to corrosion build-up on the
parking brake drum. To remove corrosion, apply the parking
brake just until it begins to grip, then pull the lever up one
more stop (click). Drive the car approximately 400 meters
(1,300
ft.) and release the brake. To recheck the adjustment
of the parking brake see
340 Brakes.
Clutch fluid, checking
In cars equipped with manual transmission and clutch, the hy-
draulic clutch and the brake system share the same reservoir
and the same bralte fluid. Clutch fluid level and brake fluid lev-
el are checked at the same time.
NOTE-
* See 340 Brakes for more information.
See
210 Clutch for information on the clutch and the
hydraulic clutch operating system.
Differential oil level, checking
The E39 differential is filled with lifetime oil that ordinarily
does not need to be changed.
BMW recommends using only
a specially formulated synthetic gear oil
(SAF-XO) that is
available through an authorized
BM\N dealer parts depart-
ment. For additional information on this lubricant and any
other lubricants that may be compatible, contact an
authorized
BMW dealer service department.
< Check rear differential oil level at filler plug (arrow).
- Check lubricant level with car on a level surface:
Level is correct when fluid just reaches edge of filler hole.
If necessary, top up fluid.
Replace filler plug sealing ring.
Install and tighten oil filler plug when oil level is correct.
NOTE-
Use either a 14 mm or 17 mm Allen socket to remove the
drain plug.
If the car is raised in the air, it should be level when
checking or filling final drive fluid level.
Tightening torque
Filler plug to final drive housing 70 Nrn (52 it-lb)

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Maintenance
Suspension, front, inspecting
Inspection of the front suspension and steering includes a
check of all moving parts
forwear and excessive play. Inspect
ball joint and tie-rod rubber seals and boots for cracks
ortears
that could allow the entry of dirt, water, and other
contaminants. See
310 Front Suspension.
Suspension, rear, inspecting
Differential and rear drive axle service consists of checking
and changing the gear oil, inspecting for leaks, and checking
the drive axle
CV joint boots for damage.
The areas where
lealts are most likely to occurare around the
drive shaft and drive axle mounting flanges. For more infor-
mation on identifying oil leaks and theircauses, see
330 Rear
Suspension and
331 Final Drive.
Tires, checking inflation pressure
Correct tire pressures are important to handling and stability,
fuel economy, and tire wear. Tire pressures change with tem-
perature. Pressures should be
checked oRen during season-
al temperature changes. Correct inflation pressures can be
found on the driver's door pillar and in the owner's manual.
Note that tire pressures should be higher when the car is
more heavily loaded.
WARNING-
Do not inflate any tire to a pressure higher than the tire's max-
imum inflation pressure listedon the sidewall. Use care when
adding air to warm tires. Warm tire pressures can increase as
much as
4 psi (0.3 bar) over their coldpressures.
Tires, rotating
BMW does not recommend tire rotation. Due to the car's sus-
pension design, the front tires begin to wear first at the outer
shoulder and the reartires begin to wearfirst at the middle of
the tread or inner shoulder. Rotating the tires may adversely
affect road handling and tire grip.
Transmission service, automatic
The automatic transmissions installed in E39 models are
filled with special automatic transmission fluid. The transmis-
sion lubricant type can be found on the "type-plate" on the
side of the transmission. The recommended lubricants are
listed earlier in this repair group. See Fluids and lubricants.
If in doubt, consult an authorized BMW dealer for alternate

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300-5
Suspension, Steering and Brakes - ~enerall
The E39 rear suspension subframe is used as a rigid mount-
ing platform
forthe differential (also called final drive) and rear
suspension components. The differential is mounted to the
subframe and the subframe is bolted to the body through rub-
ber bushings which help isolate drivetrain noise and vibration.
The
€39 rear suspension is known as a modified multi-link
system. Three control arms on each side locate the rear
wheels.
The lowercontrol arm, called the swing arm, is attached to the
wheel bearing carrier through a pivoting integral link.
An eccentric mounting bolt at the rear inner mounting of the
swing arm is used for rear camber adjustment.
The inner end of the upper front control arm, called the trac-
tion strut, is also mounted with an eccentric fastener, used to
adjust rear toe.
Drive axles with constant-velocity (CV) joints at both ends
transfer power
from the differential to the road wheels.
Sedan models
The rear suspension in sedan models uses coil springs over
strut shock absorbers. The bottom of each strut bolts to the
wheel
carrier.The top strut mount attaches just below the rear
parcel shelf of the car.
Sedan models fitted with EDC (Electronic Dampening Con-
trol) use air struts.

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330-4
Rear Suspension Rear suspension variations
1. Coil spring
2. Strut
3. Final drive (differential)
4. Rear subframe
5. Upper rear control arm
(wishbone)
6. Subframe mounting bushing
7. Drive axle
8. Upper front control arm
(traction strut)
9. Swing arm (lower control arm)
10. Integral link
12. Air spring
I
Waaon
11. Shockabsorber
a m3 withair s~riias

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33UFinal Drive
General ........................... ,331 -2 Drive Axles ....................... 331 -1 4
Special tools
........................ ,331 -2 Drive axle assembly ................. 331-14
Aluminum suspension components
...... ,331-4 Drive axle, removing and
installing (sedan)
.................... 331-14 ........................ Final Drive ,331 -5
Drive axle, removing
........... ...... Final drive, removing and installing ,331-5 and (Sport Wagon) 331-15
...................... Differential oil level, checking ........... ,331-6 CV joint boots 331-17 Final drive in~ut shaft seal, replacing ..... ,331-7 .
Final drive oitput shaft seals, replacing . . ,331-10
Final drive cover, removing and installing ,331-12
Final drive mounts, replacing .......... ,331-12

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Final Drive
Final drive, removing and installing
- Raise rear of car.
WARNING-
Make sure that the car is firmly supported on jack stands de-
signed for the purpose. Place the jaclc stands beneath struc-
tural chassis
~oints. Do not i lace iaclc stands under
( suspension barfs.
Remove exhaust system. See 180 Exhaust System.
Disconnect drive shaft from final drive. See
260 Driveshaft.
Remove drive axle CV joint bolts (arrows) at left and right
sides. Suspend drive axles from body using stiff wire.
4 Support final drive with BMW special tool 33 4 390.
* Remove front final drive mounting bolt.
Remove rear final drive mounting bolts
(2).
Carefully lower final drive unit.
- To install, use BMW special tool 33 4 390 to lift final drive into
place.
CA UTIOP&
The following sequence must be used when installing the fi-
nal drive to prevent torsion stress on the final drive during in-
Install mounting bolts and finger tighten only.
Remove final drive support.
Tighten both rear mounting bolts.
Tighten front mounting bolt.
NOTE-
Use new self-locking nuts.
- Check differential oil level. See Differential oil level, check-
ing.
- Remainder of installation is reverse of removal.

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Final Drive
Tightening torques
F~nal drive to rear axle carrier 105 Nm (77 it-lb)
Driveshaft CV joint to final drive flange
- MlO (Torx bolt) 70
Nm (51 ft-lb)
- M8 (compression nut) 32 Nm (24
ft-lb)
Drive axle to final drive
ilange
Torx bolts (M10) 83 Nm (61 ft-lb)
Torx bolt with
rlbbed teeth (M10) 64 Nm (47 ft-lb)
Torx bolt
wlth ribbed teeth (MI0 sliver) 80 Nm (59 ft-lb)
Torx
bolt with ribbed teeth (M10 black) 100 Nm (74 ft-lb)
* Torx bolt with ribbed teeth (M12) 135 Nm (100 ft-lb)
Differential oil level, checking
The E39 differential is filled with lifetime oil that ordinarily
does not need to be changed. BMW recommends using only
a specially formulated synthetic gear oil
(SAF-XO) that is
available through an authorized BMW dealer parts depart-
ment. For additional information on this lubricant and any oth-
er lubricants that may be compatible, contact an authorized
BMW dealer service department.
< Check rear differential oil level at filler plug (arrow).
- Check lubricant level with car on a level surface:
Level is correct when fluid just reaches edge of filler hole.
If necessary, top up fluid.
* Replace filler plug sealing ring.
Install and tighten oil filler plug when oil level is correct.
NOTE-
Use either a 14 mm or 17 mm Allen socket to remove the
drain plug.
If car is raised in the air. it should be level when
checkino " or filling final drive fluid level.
- Tightening torque -
Filler plug to final drive housing 70 Nm (52
ft-lb) -

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331-9
Final Drive
Coat drive flange sealing area and seal lip with differential oil.
* Install drive flange on pinion shaft.
Using
BMW special tools 23 1 300,33 1 341 and 23 1 302
press drive flange on to pinion shaft only to extent as to al-
low collar nut to be installed.
4 Tighten collar nut only until previously marked points are
aligned (arrow).
CAUTION-
Do not underany circumstances tighten collarnut beyond the
markedpoints,
othe~lise clamping sleeve will have to be re-
placed.
- Using a suitable drift, install new collar nut locking plate
Stalte plate in place.
- Remainder of installation is reverse of removal.
- Check and, if necessary, set differential oil level. See Differ-
ential oil level, checking.
Tightening torque Driveshaft
CV joint to final drive flange
MI0 (Torx bolt) 70 Nrn (51 ft-lb)
ME (compression nut) 32 Nrn (24 ft-lb)