1998 BMW 528i Torque wrench

Downloaded from www.Manualslib.com manuals search engine
11 9-26
/Lubrication System
< Use Allen wrench to adjust chain slaclc (B) by turning thread-
ed spacer
(A).
Oil pump chain adjustment
Slack
10 52 mrn (0.394i0.079 in)
- Coat remaining oil pump mounting fastener with Loctite 03. In-
stall and tighten.
- Remainder of assembly is reverse of disassembly.
- After adding engine oil, start and run engine. Raise engine
speed to
2,500 rpm until oil pressure warning light goes out
(about
5 seconds).
Tightening torques
Lower oil pan to upper oil pan
M6 (8.8 grade) 10
Nm (89 in-ib)
M6 (10.9 grade) 12
Nm (9 ft-lb)
M8 (8.8 grade) 22
Nrn (1 6 ft-lb)
Oil drain plug to oil pan (M12) 25 Nm (I8 ft-lb)
Oil pump cover to oil pump
(M6) 10 Nrn (89 in-lb)
Oilpump sprocket to shaft TKO) 45 Nm (33 it-lb)
Oil pump to engine bloclc
M8 (8.8 grade) 22 Nrn (16 ft-lb)
Oil pressure relief valve (&cylinder)
Remove oil
pump as described earlier. The oil pump pressure
relief valve is held in the side of the
oil pump with a circlip.
< Inspect oil pump relief valve components and bore for scor-
4. Sleeve
5. Circlip
- Install using a new circlip.
Oil
pressure relief valve assembly
,- ..., !~. -.-~. - ~- -~!~~-% h. .- .,, /to-cy~~noer engrnej ing or other damage.
1. Control plunger
2. Spring
3. Sealing O-ring

Downloaded from www.Manualslib.com manuals search engine
120-1 6
Ignition System
Remove camshaft sensor (arrow) from front of right cylinder
head.
Disconnect camshaft sensor harness from cable duct above
right cylinder head.
Installation is reverse of removal, noting the following:
Use new O-ring when installing sensor.
Be sure wiring is rerouted in same orientation.
Use scan tool to read out and clear ECM fault memory.
Tightening torque Intake camshaft sensor to timing chain 5 Nm
(3.5 ft-lb)
cover
Knock sensors
Knock sensors, replacing (M52, M52 TU and M54
engines)
The knock sensors are bolted to the left side of the cylinder
block under the intake manifold.
- Remove intalte manifold as described in 113 Cylinder Head
Removal and Installation.
D~sconnect knock sensor electrical harness connector (A) on
left side of engine cylinder block.
Remove knock sensor
mount~ng bolts (arrows) on side of
cyllnder block. Remove sensors.
Note the installed angle of the
lnocl~ sensor on the bloc/( be-
fore removing it. Reinstall the sensor
in the same position. Be
sure to use a torque wrench when tightening the sensor
mounting bolt.
< Clean lknock sensor contact surface on engine bloclc and
sensor (arrows) before installing
ltnock sensor.
Tightening torque
Knock sensor to head 20 Nm (15 ft-lb)
- Use scan tool to read out and clear ECM fault memory.
Knock sensors, replacing
(M62 and M62 TU engines)
The
knock sensors are bolted to the side of the cylinder block
under the
intake manifold.

Downloaded from www.Manualslib.com manuals search engine
Ignition System
Remove intake manifold as described in 113 Cylinder Head
Remaval and Installation.
Remove knock sensor mounting bolts (arrows) on side of
cylinder block. Remove sensors.
I CAUTION- I
Note the installedangle of the knock sensors on the bloclt be-
fore removalit. Reinstall the sensors in the same position. Be
sure to use
a torque wrench when tightening the sensor
mounting bolts.
Clean
lknoclc sensor contact surfaces on engine bloclc and
sensors before installing.
Tightening torque
Knock sensor to engine
bloclc 20 Nm (15 ft-lb)
- Use scan tool to read out and clear ECM fault memory.
- Installation is reverse of removal.

Downloaded from www.Manualslib.com manuals search engine
Radiator and Cooling System
Remove rubber trim strip between top of shroud and radiator.
Using 32 mm wrench
(BMW special tool 11 5 040) on fan
clutch nut (arrow), turn wrench in a clockwise direction
(working from front of car) while counterholding pulley with
BMW special tool
11 5 030. Spin fan off coolant pump.
NOTE-
The radiator cooling fan nut (32 mm wrench) has left-hand
threads.
Unclip AUC (air quality) sensor from shroud,
M54 engine: Disconnect auxiliary coolant pump from base of
fan shroud.
Lift fan and shroud together out of engine compartment.
To replace fan clutch, remove fan mounting bolts and sepa-
rate viscous clutch from fan.
Installation is reverse of removal.
Tightening
torques
Clutch nut to pump
Without
BMW tool 11 5 040 40 Nm (29 ft-lb)
With BMW tool 11 5 040 30 Nm
(22 ft-lb)
Fan to viscous clutch 10 Nm (89 in-lb)
Electric cooling fan, removing and
installing
The electric cooling fan is mounted behind the front bumper,
in front of the
A/C condenser.
- Remove front bumper. See 510 Exterior Trim, Bumpers.
- Remove left and right headlights. See 630 Lights,
- Where applicable, detach horizontal air ducts behind front
bumper and fold to side.
- Disconnect fan electrical connector on right side of radiator
shroud and lay aside.
- Detach wire loom from air duct in front of cooling fan
- Pry out expansion rivets holding air duct. Slide air duct down-
ward to remove.

Downloaded from www.Manualslib.com manuals search engine
21 0-1 8
Clutch
- lnstall flywheel lock, special tool 11 2 170 (6 cylinder model)
or
11 2 070 (V-8 model).
- Install SAC pressure plate on dowel pins at flywheel. lnstall
clutch mounting bolts and tighten each one turn at a time until
pressure plate is fully seated. Torque to specification.
Tightening torques Clutch to flywheel
- M8 (8.8 grade)
MB 110.9 orade)
24 Nm (1 8 it-lb)
34 Nm (25
ft-lb)
Use 14 mm Allen wrench to unscrew (clocltwise or counter-
clockwise) lock plate in center of pressure plate.
NOTE-
The spring lockplate may make snapping noises while being
unscrewed.
Using large bolt, pull out clutch centering tool
Remove flywheel locking tool
4 Inspect and clean release bearing lever. Apply a thin coat of
grease to release bearing lever lubrication points. lnstall re-
lease bearing. Bearing tabs
(A) align with contact points (B)
on release lever.
- Clean release bearing guide sleeve.
CAUTIOG
Do not grease guide sleeve. Ifguide sleeve is greased, re-
lease bearing may stick to it.
- Clean and lightly lubricate clutch disc splines and transmis-
sion input shaft splines.
- lnstall transmission. See 230 Manual Transmission.
Tightening torques
- - - Transmlsslon to engine -
. MB (Torx) 22
Nm (16 it-lb)
MI0 (Torx) 43 Nm (32 it-lb)
* M12 (Torx) 72 Nm (53 it-lb)
.-

Downloaded from www.Manualslib.com manuals search engine
31 0-8
Front Suspension
Slide strut assembly out of steering lknucltle pinch collar. If
necessary use pry bar.
CA UTIOI\C
Do notpullstrut out of steering knuckle with twisting motion.
This can scratch and damage the strut.
Disassemble and reassemble strut assembly as described
later.
When installing new strut, be sure to align locator letter (A)
on strut body with slot in steering
lknuckle pinch collar (6).
Struts are marked with L for left and R for right.
Remainder of installation is reverse of removal.
Make sure strut shoulder (below locator letter) bottoms out
in steering knuckle pinch collar.
Use new self-locking nuts and bolts.
When attaching stabilizer
lrnk to strut, use a thin wrench to
counterhold
link ball joint while t~ghtening nut.
- Have car professionally al~gned when job IS complete.
Tightening torques
Brake caliper to steering knuckle
110 Nm (81 ft-ib)
Road wheel to hub 120 ti0 Nm (89 t7 ft-lb)
Stabilizer bar
link to strut 65 Nm (48 It-lb)
Steering knucltle pinch bolt at strut 81 Nm (60 It-lb) - mountlng collar
Steering tle rod to steerlng knuckle 65 Nm (48 it-lb)
Strut assembly top to strut tower 24 Nm (18 it-lb)
- - -

Downloaded from www.Manualslib.com manuals search engine
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)

Downloaded from www.Manualslib.com manuals search engine
Brakes
- Open bleeder screw. Carry out bleeding procedure with
BMW Service Tester until clear, bubble-free fluid flows.
Models with DSC: After BMW Service Tester bleeding rou-
tine has finished, press brake pedal to floor
5 times until
clear, bubble-free fluid runs out. Close right rear bleeder
valve.
Models with ASC: Close right rear bleeder valve.
- Repeat procedure at left rear brakes.
- Repeat BMW Service Tester bleeding at right front brakes.
Models with DSC: After
BMW Service Tester bleeding rou-
tine has finished, press brake pedal to floor
5 times until
clear, bubble-free fluid runs out. Close right front bleeder
valve.
Models with ASC: After BMW Service Tester bleeding rou-
tine has finished, press brake pedal to floor
12 times until
clear, bubble-free fluid runs out. Close right front bleeder
valve.
- Repeat procedure at left front brakes.
- Remove brake bleeding apparatus and disconnect BMW
Service Tester. Top up brake fluid. Check to make sure
brake 1
fluid reservoir cap seal is intact.
Tightening torques Bleeder screws (wrench size)
- 7 rnrn screw
3.5 - 5 Nrn (2.5 - 3.7 ft-lb)
11 rnrn screw 12-16Nrn(9-12ft-lb)