washer fluid BMW 525i 2001 E39 Workshop Manual

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001 General Warnings and Cautions
PLEASE READ THESE WARNINGS AND CAUTIONS
BEFORE PROCEEDING
WITH MAINTENANCE AND REPAIR WORK.
WARNINGS-
See also CAUTIONS
- Some repairs may be beyond your capability. If you lack the skills, - Catch draining fuel, oil, or brake fluid in suitable containers. Do
tools and equipment, or a suitable workplace for any procedure
not use
foodor beverage containers that might mislead someone
described in this manual, we suggest you leave such repairs to
into
drinking from them. Store flammable fluids away from fire
an authorized BMW dealer service department or other qualified
hazards. Wipe up spills at once, but do not store the oily rags,
shop. which can ignite and burn spontaneously.
. Do not reuse any fasteners that are worn or deformed. Many fas- Always observe good worRshop practices. Wear qoqqles when
teners are designed to be used only once and become
unreliable you operate machine tools or work with battery acid:kloves or
and mav fail when used a second time. This includes, but is not other
~rotective clothino should be worn whenever the iob re-
limited io, nuts, bolts, washers, self-locking nuts or bolts, clrclips yires' working with harmful substances.
and cotter pins. Always replace these fasteners with new parts.
Greases, lubricants and other automotive chemicals contain toxic
. Never work under a lifted car unless it is solidly supported on
substances, many of which are absorbed directly through the
stands
desiqned for the purpose. Do not supeort a car on cinder
skin. Read the manufacturer's instructions and warninos careful-
blochs, hollow tiles orotherbrops that may drurnbie undercontin-
uous toad. Never work under a car that is supported solely by a
iack. Never work under the car
while the enqine is runninq. - -
If you aregoing to work underacaron the ground, makesure that
the ground is level. Block the wheels to
keep the car from rolling.
Disconnect the battery negative
(-) terminal to prevent others
from starting the car while you are under it.
- Never run the engine unless the work area is well ventilated. Car-
bon monoxide kills.
Rings, bracelets and other jewelry should be removed so that
they cannot cause electrical shorts, get caught in running ma-
chinery, or be crushed by heavy parts.
- Tie long hair behind your head. Do not wear a necktie, a scarf.
loose clothing, or a necklace when you work near machine tools
or running engines. if your hair, clothing, or jewelry were to get
caught in the machinery, severe injury could result.
DO not attempt to
work on your car if you do not feel well. You in-
crease the
danger of injuryto yourseliand others if you are tired,
uDset or have taken medication or anv other substance that mav
keep you from being fully alert.
Illuminate your work area adequately but safely. Use a portable
iy. Use hand and eye protection. Avoid direct skin conGct.
Disconnect the battery negative (-) terminal whenever you work
on the fuel system
orthe electrical system. Do not smokeorwork
near heaters or other fire hazards. Keep an approved fire extin-
guisher handy.
. Friction materials (such as brake pads or shoes or clutch discs)
contain asbestos fibers or other friction materials. Do not create
dust by grinding, sanding, or by cleaning with compressed air.
Avoid breathing dust. Breathing any
friclion material dust can
lead to serious diseases and may result in death.
Batteries
giveoff explosive hydrogen gas during charging. Keep
sparks, lighted matches and open flame away from the top of the
battery. If hydrogen gas escaping from the cap vents is ignited, it
will ignite gas trapped in the cells and cause the battery to ex-
plode.
Connect and disconnect battery cables, jumper cables or a bat-
tery charger only wilh the ignition switched off. Do not disconnect
the battery while the engine is running.
Do not quick-charge the battery (for boost starting) for longer
than one minute. Wait at least one minute before boosting the
battery a second time.
. . safety lighiforworking lnsideor under the car. Make sure the bulb - Do not allow battery charging vollage to exceed 16.5 volts. If the
is enclosed bv a wire caoe. The hot filament of an accidentallv
batten! beoins ~roducina oas or boilino violentiv, reduce the
broken bulb can ignite spilled
fuel, vapors or oil. , - - - charglng rate. ~oostlng a sutfaled battery at a igh charging rate
can cause an
explosion.
-
Continued on next page

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--- -
Maintenance
Table b. Inspection I Service (continued)
I I I I
Warm engine Dealer service
required recommended
Check windshield
washer fluid level and
antifreeze protection.
Add washer fluid as necessary.
Replace ventilation
microfilter. (Note:
reduce replacement intervals in dusty
operation conditions)
Reset Service interval Indicator
(Sil).
Additional
repair
information
Tools Required
*
eck aim of washer jets and adjust if
necessary.
covers, obvious damage or attachment o
s or accessories.
Road test
Check braking performance, steering,
heating and air conditioner operation.
Check manual transmission and clutch
operation or automatic transmission
operation. New
parts
required
*
Bodylelectrical
121
630
630
Checic battery state of charge
Check operation of:
headlights,
parking iights, back-up lights.
license plate lights, interior lights,
glove box
illumination, engine compartment light,
trunk light, turn signals, emergency
flashers, stop iights.
Check operation of horn and headlight
dimmer switch
:i:

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-
Fuel Injection
Table e. Bosch 5.2.1 ECM pin assignments
Pin
I~iqnal 1 Description 1 Note
I I I
46 llnput ICrankshaft position sensor Icrankshaft positionlrpm sensor
38
39
40
41
42
43
44
45 Ground Input
Output
Output
Output
Output
Ground
47
48
49
50
51
Not used
I Not used
52
Shield, knock sensor
Oil level
- thermal
Injection signal
injection signal
Idle speed control - opening winding
Idle speed control - closing winding
Not used
Ground
Ground
-- Ground Input
Ground
Ground Not used Knock sensor
Oil level sensor
Cylinder
4 fuel injector
valve
Cylinder
1 fuel injector valve
Idle speed control valve
Idle speed control valve
Shield, crankshaft sensor
5
6
7
12 Not used
Ground
Intake air temperature sensor
Connector
X60004
8
9 10
11
14 1 1 Not used I
Shield, knock sensor
Shield, sensor
I
Shield, sensor 3
Shield, itnock sensor
Input
- Knoclc sensor
Knock sensor
Knock sensor
Knock sensor
Instrument cluster
Output
2 llnput l~erminal 30 voltage supply /Megrated instrument cluster control module (IKE)
Alt. charge indicator signal, terminal 61 1
Not used
Start signal terminal
50
Not used
15
16
17
18
Output
Ignition switch
Not used
Not used
Activation of relay for fuel pump
Not used
19
Fuel pump relay
Output Not used
I I I 20 loutput ICARB signal /Data link connector
Not
used
Not used
Engine speed signal output (TD)
Not used
Light module
21
Cruise control module (Tempomat)
22 llnput I Right rear wheel speed signal /ABS/ASC or ABSIDSC control module
Oulput
Washer
fluid level,
brake fluid level

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230-9
Manual ~ransmissionl
Carefully pry out selector shaft oil seal with BMW special tool
23
0 210, or with a narrow seal remover or small screwdriver.
Coat new selector shaft seal with transmission fluid. Drive
new seal in flush with housing. Use
BMW special seal instal-
lation tool
23 0 220 or equivalent and a soft-faced (plastic)
hammer.
- Remainder of installation is reverse of removal, noting the fol-
lowing:
Install driveshaft using new
loclc nuts.
Check transmission oil level, topping up as necessary.
Tightening torques Aluminum driveshaft to flex-disc
. MI2 (use Dacromet-coated washers) 90 Nm (66 ft-lb)
Driveshaft CV joint to final drive flange
MI 0 (Torx bolt) 70
Nm (51 ft-lb)
M8 (compression nut) 32
Nm (24 ft-lb)
Flex-disc to transmission flange or driveshaft
MI0 (8.8 grade) 48 Nm (35 ft-lb)
MI0 (10.9 grade) 60
Nm (44 it-lb)
MI2 (8.8 grade) 81
Nm (60 ft-lb)
MI2 (10.9 grade) lo0 Nm (74 ft-lb)
- MI4 140 Nm (103 ft-lb)
Transmission crossmember
to transmission (ME) 21 Nm (15 ft-lb)
. to chassis (M10) 42 Nm (30 ft-lb)

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230-1 1
Manual ~ransmissionl
Coat new seal with transmission fluid. Use seal installation
drift (see table below) to drive seal into position until it is flush
with housing.
Output seal drives
Transmission
BMW special tool
Getrag S5D 250G 240110
ZF S5D 3202 23 2 300
inspect sealing surface on output flange. Replace if flange
surface is worn or damaged.
Heat output flange to about 176"
F (80" C) to aid in installa-
tion. This can be done by placing flange in hot water. Rein-
stall output flange to output shaft.
- Coat flange nut with LoctiteB243 and reinstall. Torque in two
stages.
Tightening torques Output flange to output shaft
Stage I 190 Nm (140 ft-lb)
Stage II (after loosening) 120
Nm (89 ft-lb)
- Remainder of installation is reverse of removal, noting the fol-
lowing:
Install driveshaft using new nuts. See
260 Driveshaft.
Check transmission fluid level, topping up as necessary
Tightening torques Aluminum driveshaft to flex-disc
- MI2 (use Dacromet-coated washers) 90 Nm (66 ft-lb)
Driveshaft
CV joint to final drive flange
. MI0 (Torx bolt) 70
Nm (51 ft-lb)
. M8 (compression nut) 32
Nm (24 ft-lb)
Flex-disc to transmission flange or driveshaft
- MI0 (8.8 grade) 48
Nm (35 ft-lb)
- MI0 (10.9 grade) 60
Nm (44 It-lb)
. MI2 (8.8 grade) 81 Nm (60 ft-lb)
. MI2 (10.9 grade) I00 Nm (74 It-lb)
M14 140 Nm (103 It-lb)
Transmission crossmember
- to transmission (ME) 21 Nm (15 It-lb)
- to chassis (M10) 42 Nm (30 It-lb)

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230-14
I Manual Transmission
If installing new output flange: Recalculate thickness of
shims based on difference in height between output shaft
surface and collar nut support surface. Shims must be within
the output flange preload specification below the collar nut
support surface.
Output flange preload Difference between heights of shaft and output 0.05
- 0.22 mm
flange sealing
suriace MINUS thickness of shims (0.002 - 0.009 in)
NOTE-
Shims are available in increasing sizes of 0.1 mm from
1.4 mm to 2.1 mm (0.055 in to 0.083 in) from BMWparts.
- Install shims. Install and torque flange collar nut.
Tightening torques Output flange to out put shaft
. Stage I 190 Nm (140 ft-lb)
. Stage II (after loosening) 120 Nm (89 it-lb)
- Use BMW special tool 23 2 470 to install flange nut retaining
plate.
- Remainder of installation is reverse of removal, noting the fol-
lowing:
Install driveshaft using new nuts. See
260 Driveshaft.
Checlc transmission fluid level, topping up as necessary.
Tightening torques
Aluminum driveshaft to flex-disc
- MI2 (use Dacromet-coated washers) 90 Nm (66 ft-lb)
Driveshaft
CV joint to final drive flange
MI0 (Tom bolt)
70 Nm (51 ft-lb)
M8 (compression nut) 32 Nm (24 ft-lb)
Flex-disc to transmission flange or driveshaft
* MI0 (8.8 grade) 48 Nm (35 ft-lb)
- MI0 (10.9 grade) 60 Nm (44 ft-lb)
. MI2 (8.8 grade)
81 Nm (60 ft-lb)
MI2 (10.9 grade) 100 Nm (74 ft-lb)
- MI4 140 Nm (1 03 ft-lb)
Transmission
crossmembe~
to transmission (ME)
to chassis (M10)
21 Nm (15 ft-lb)
42 Nm (30 it-lb)

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Manual Transmission
4 V-8 engine: Remove transmission mounting Tom-head bolts
(arrows). Note length and location of bolts.
Remove transmission by pulling backward until transmis-
sion input shaft clears clutch disc splines, then pull down-
wards. Lower transmission jack to remove transmission.
- Installation is reverse of removal, keeping in mind the
following:
When installing a new transmission, be sure to transfer
parts from old transmission
if applicable.
Thoroughly clean input shafl and clutch disc splines. Light-
ly lubricate transmission input shaft before installing.
* Be sure bellhousing alignment dowel sleeves are located
correctly. Replace damaged sleeves.
Center rear of transmission in driveshaft tunnel before
tightening transmission support bracket.
NOTE-
In order to avoid difficulties in transmission removal at a fu-
ture time, use washers with Torx-head mounting bolts.
- Reinstall driveshaft. Use new nuts when mounting driveshaff
to transmission/flex disc. See 260 Driveshaft.
- Refill transmission with appropriate lubricant before starting
or towing car. See Transmission fluid service earlier in this
repair group.

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240-1 3
Automatic ~ransmissionl
- Blow out oil cooler lines with low-pressure compressed air
and flush cooler with clean ATF twice before reattaching lines
to transmission.
CA UTIOG
Wear safety glasses when worling with compressed air:
@ Do not reuse ATF used for flushing.
- Remainder of installation is reverse of removal, noting the fol-
lowing:
Reinstall driveshafl using new nuts.
Install new sealing washers on transmission cooling line
banjo bolts.
Install new O-rings on transmission cooler lines, where
applicable.
Inspect engine drive plate (flywheel) for cracks or elongat-
ed holes. Replace
if necessary.
Be sure bellhousing alignment dowel sleeves are located
correctly. Replace damaged sleeves.
Checlc to be sure torque converter is seated correctly in
transmission during final installation.
Use
BMW special tool 24 2 300 to align three mounting
tabs on torque converter with indentations on drive plate
(flywheel).
Fill transmission with clean ATF until oil level is even with
fill hole. Then check fluid level as described earlier.
Adjust gearshift mechanism. See
250 Gearshift Linkage.
NOTE-
In order to avoid difficulties in transmission removal at a fu-
ture time, use washers with Torx-head mounting bolts.

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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
-" ., - , . ,