fuel BMW 528i 1998 E39 User Guide
[x] Cancel search | Manufacturer: BMW, Model Year: 1998, Model line: 528i, Model: BMW 528i 1998 E39Pages: 1002
Page 37 of 1002
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Maintenance
0 Service due is shown with RESET if the measured con-
sumption limit has been reached and resetting is possible.
If RESET is not shown, the minimum limit has not been
reached and resetting is not possible.
While display is flashing, press button briefly to reset
Sll.
After display has shown new interval, the following will
appear in display for approximately
2 seconds: END SIA.
NOTE-
The system can only be reset again after the vehicle has
been driven approximately 50 to
75 miles (consumes at
least2.5gallons of fuel). If the display shows RESETwhen
resetting, the minimum driving distance has been fulfilled
and the system can be reset again.
0 It is possible to interrupt and end the reset procedure by
changing the position of the ignition
ley.
lnspection I, lnspection II
The Service Interval Indicator (SII) signals the need for main-
tenance and inspection. There are two sets
of inspection re-
quirements, alternating throughout a car's maintenance
history. If the last inspection interval was lnspection I, the next
inspection interval (following an oil service) will be lnspection
11, the next after that will be lnspection I, and so on.
lnspection
I tasks are listed in Table b. lnspection I Service.
lnspection
II includes most of the tasks from lnspection I with
additional lnspection
II tasks. A complete listing of lnspection
II tasks is in Table c. lnspection I1 Service.
NOTE-
For reference, the BMW lnspection I and lnspection I1 re-
quirements are approximately equivalent to the maintenance
requirements that other European manufacturers specify.
ln-
spection I is normally due at intervals with a maximum of
30,000 miles or
24 months. lnspection I1 is normally due at
intervals with a maximum of 60,000 miles or
48 months.
Page 39 of 1002
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Table b. Inspection I Service (continued)
Checlt transmission and differential for
external lealts.
Check CV joint boots for damage or leaks.
Visually
check fuel tank, fuel lines, and
connections for
leaks.
New parts
Tools Required required
Check condition, position, and mounting
ol
exhaust system. Visually check and adjusl
if necessary.
Check power steering system for lealts.
Check power steering
fluid level and adjust
if necessary.
Check steering racidbox and tie rods for
tightness. Checit condition of front axle
joints, steering
linkage, and steering shaft
joints.
Check overall thickness of front and rear
bralte pads using
BMW special tool. If
replacement is necessary:
Examine brake disc surface.
Clean brake pad contact points in calipers
Grease wheel centering hubs.
Checlt thickness of parking brake linings
only when replacing rear brake shoes.
Checit operation of pariting brake and
adjust as necessary.
Checlt front control arm bushings for
damage or wear.
Check brake system connections and
lines
for leaks, damage, and incorrect
positioning Warm
engine
(~ealer service Irepair , required recommended lnformat~on
Check parking braite actuator. Adjust if
necessary
Check ail tire pressure (including spare)
and correct if necessary.
Checlt condition of tires (outer tread
surface), tread wear pattern: in case of
uneven wear, perform wheel alignment.
inspect entire body according to terms of
rust oerforation limited warrantv. (Must be
*:
4:
2 ~ perfdrmed at least every two years). I
Read out on-board diagnostic (OBD 11) fault
codes.
Checkengine coolant
system1 heater hose
connections for
leaks.
Checit coolant level and antifreeze
protection level. Add coolant as necessary.
* 100113010BD
I
170
Page 51 of 1002
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Maintenance
< Remove NC compressor belt:
Loosen tensioner mounting fasteners (arrows)
Swing tensioner down to remove belt.
4 To reinstall compressor belt:
Route belt over pulleys.
* Pretension belt by turning adjuster clockwise (arrow) to
stop.
- Tighten tensioner mounting bolts (A).
Tightening torques
Fan clutch to coolant pump (left- hand thread)
with BMW tool
11 5 040
30 Nm (22 ft-lb)
without BMW tool 11 5 040
40 Nm (29 ft-lb)
Tensioner to engine block
8.8 grade
22 Nm (16 ft-lb)
10.9 grade (Ilquid-cooled alternator) 30 Nm (22 ft-lb)
Idle speed
Engine idle speed can change due to a number of factors, in-
cluding normal wear. The idle speed is electronically adaptive
and not adjustable. See
130 Fuel Injection for more informa-
tion.
Catalytic converter and oxygen sensors
OBD II enhanced emission standards require the engine
control module (ECM) to monitor the oxygen content in the
exhaust with oxygen sensors placed before and after the cat-
alytic converter. This allows for tighter control of tail pipe
emissions and also allows the ECM to diagnose converter
problems. If the ECM detects that catalytic converter or oxy-
gen sensor efficiency has degraded past a certain
prepro-
grammed limit, it will turn on the malfunction indicator light
(MIL), and store a diagnostic trouble code (DTC) in the ECM.
See OBD On-Board Diagnostics for more information on
OBD
ll systems.
Replacement of oxygen sensors at the specified intervals
he engine and emission control system will
Page 53 of 1002
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020-21
Maintenance
Spark plugs, replacing
E39 engines use a coil-over-spark plug configuration, with
one ignition coil above each spark plug. Sparks plugs should
be removed only after the engine has cooled.
Remove engine
cover(s) over ignition coils:
Remove acoustic cover over fuel injectors
I intake
manifold.
6-cylinder engine: Remove oil filler cap.
Remove plastic trim covers (arrows).
Remove cover hold-down bolts. Remove coil
cover(s)
6-cylinder engine: Temporarily reinstall oil filler cap to
keep out contaminants.
Remove ignition coil grounding harnesses (arrows). 6-cylin-
der coils shown,
V-8 engine is similar.
< Remove ignition coils:
Pull up on spring clips to disconnect ignition coil harness
connectors.
Remove coil mounting bolts. Pull coils up and off spark
plugs.
- Remove spark plugs.
Page 59 of 1002
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.-. -
Maintenance
Drive axle joint
(CV joint) boots, inspecting
CVjoint protective boots must be closely inspected forcracks
and any other damage that will allow contaminants to get into
the joint.
If the rubber boots fail, the water and dirt that enter
the joint will quickly damage it.
NOTE-
Replacement of the CVjoint boots and inspection of the
joints are described
in 331 Final Drive.
Exhaust system, inspecting
Exhaust system life varies widely according to driving habits
and environmental conditions. If short-distance driving pre-
dominates, the moisture and condensation in the system will
not fully dry out. This will lead to early corrosion damage and
more frequent replacement.
Scheduled maintenance of the exhaust system is limited to
inspection:
* Check to see that all the hangers (arrow) are in place and
properly supporting the system and that the system does
not strike the body.
Check for restrictions due to dents or
kinlts,
Check for weakness or perforation due to rust.
NOTE-
Alignment of the system and the location of the hangers are
described in
180 Exhaust System.
Fuel filter, replacing
The fuel filter is located beneath the center of the car, approx-
imately under the driver's seat.
A protective cover must be
removed to access the filter.
4 Fuel filter for M62 engine (arrow)
- Disconnect battery negative (-) cable
CAUTIOI\C
Disconnecting the battery cables may erase fault codes
stored
in engine control module memory.
WARNING -
Fuel will be expelled forcibly when the filter is removed. Do
notsmoke or work near heaters orother fire hazards. Keep a
fire extinguisher handy
Page 60 of 1002
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020-28
1 Maintenance
- When replacing fuel filter:
Use appropriate hose clamping device to clamp off filter
inlet and outlet hoses to lessen fuel spillage.
Loosen center clamping bracket and hose clamps on
either end of filter.
Note arrow or markings indicating direction of flow on
new filter.
Install new filter using new hose clamps
- Drain fuel filter from inlet side into a container and inspect
drained fuel.
Checlc for rust, moisture and contamination.
I - I < If fuel filter is equipped with fuel pressure regulator:
I 2 / Remove vacuum hose (1)
Pull out locking clip (2).
- Remove fuel pressure regulator (3).
Install pressure regulator in new filter.
Clean thoroughly around the filler connections before
removing them.
After assembly, check filter connections carefully for
I
I lealcs before installing cover.
NOTE- ~-
Additional informarion about the fuel filler assembly is in 160
Fuel Tank and Fuel Pump.
Fuel tank and fuel lines, inspecting
lnspectthe fuel tank, fuel lines, and fuel system fordamage or
lealts. Checlc for fuel lealts in the engine compartment or fuel
odors in the passenger compartment. Check for any evapora-
tive emissions hoses that may have become disconnected,
checking carefully at charcoal canister and evaporative emis-
sions purge system. See
130 Fuel Injection and 160 Fuel
Tankand Fuel Pump for component locations and additional
information.
WARNING-
When checlcing for fuel leal(s, the engine must be cold. A hot
exhaust manifold or exhaust system could cause the fuel to
ignite or explode causing serious personal injury Ventilate
the work area and clean up spilled fuel immediately.
Page 61 of 1002
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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
Page 68 of 1002
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Engine-General
This section covers system descriptions and general informa-
tion on engines and engine management systems. Also cov-
ered is basic engine troubleshooting.
For specific repair procedures, refer to the appropriate repair
group:
110 Engine Removal and Installation
0 113 Cylinder Head Removal and Installation
116 Cylinder Head and Valvetrain
0 117 Camshaft Timing Chain
119 Lubrication System
120 Ignition System
130 Fuel Injection
0 170 Radiator and Cooling System
E39 models are fitted with a variant of either an inline 6-cylin-
der or a
V-8 engine. See Table a.
Table a. Engine specifications
Page 72 of 1002
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100-6
( Engine-General
The main grounds for the fuel and ignition circuits of the DME
system are illustrated below; see 610 Electrical Component
Locations for additional ground and component locations.
4 Ground for engine management system in right rear of en-
gine compartment on E-box bulkhead (arrow).
6-cylinder models: Grounds
for ignition coils (arrows)
4 V-8 models: Grounds for ignition coils, at cylinders 3
(arrow) and 7.
4 Fuel pump ground (arrow) below right tail light in luggage
compartment.
NOTE-
Ground location for sedan shown, wagon models may
differ.
Page 75 of 1002
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110-3
Engine Removal and lnstallationl
Q Fuel line plugs
(Tool No.
BMW 13 5 281 / 13 5 282)
4 Fuel line removal tool
(Tool No.
BMW 16 1 050)
CAUTION-
Disconnecting the battery may erase fault code@) storedin
memoiy Check for fault codes prior to disconnecting the
battery cables.
If the MIL (Malfunction Indicator Light, also may be
called "Check Engine" or "Service Engine Soon" light)
is illuminated, see
OBD On-Board Diagnostics for
DME fault code information.
It orhersysrem faults have been detected, as indicated I
by an ~llum~nated ABS, SRS orASC/DSC ~arning light,
see the appropriate repair group in this manual or an
authorized BMW dealer for more information on fault
codes.
NOTE- Engine removal procedures are similar for all 6-cylinder
models. When differences
exist, they are noted at the be-
ginning of each step. Engine are referred to by engine
code. See
100 Engine-General for engine code and appli-
cation information.
@ Be sure to cover all painted surfaces before beginning the
removal procedure. As an aid to installation, label all com-
ponents, wires and hoses before removing them. Do not
reuse
gaskets, O-rings or seals during reassembly.
The
intake manifold must be removed on &cylinder mod-
els before the engine can be removed.
WARNING-
Due to risk of personal injury, be sure the engine is cold be-
fore beginning the removal procedure.