2001 BMW 525i Trunk lid

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YOU are now in Volume I
I
Foreword ................... .. ........................................................................\
.......... v
Index
........................ .. ................................................................ rear of manual
General, 001 General Warnings and Cautions 002 Vehicle Identification and VIN Decoder
Maintenance OiO 020 Maintenance
Engine
100 Engine-General 110 Engine Removal and Installation
113 Cylinder Head Removal and
Installation
116 Cyiinder Head and Valvetrain 117 Camshaft Timing Chain
119 Lubrication System
200 Transmission-General
2 Transmission 210 clutch 230 ManualTransmission
I20 Ignition System
121 Battery, Starter, Alternator
130 Fuel Injection
160 Fuel Tank and Fuel Pump 170 Radiator and Cooling System
180 Exhaust System
240 Automatic Transmission
250 Gearshift Linkage 260 Driveshaft
Suspension, 300 Suspension, Steering and 330 Rear Suspension
Brakes-General 331 Final Drive
Steering and No Front Suspension 340 Brakes
320 Steering and Wheel Alignment
400 Body-General
410 Fenders, Engine Hood 411 Doors
412 Trunk Lid, Tailgate
510 Exterior Trim, Bumpers 512 Door Windows
Equipment 513 Interior Trim
7
Equipment and 720 seat Belts
Accessories 721 Airbag System (SRS)
OBD On-Board Diagnostics
. ............ ..
515 Central Lociting and
Anti-Theft
520 Seats 540 Sunroof
.................................................................... Foreword .............................. .. v
Index ................... .. ................................................................ rear of manual
Electrical
6 system
600 Electrical System-General 620 Instruments
610 Electrical Comoonent Locations 630 Liohts
611 wipers and washers 612 Switches eati in^ and Air Conditioning
Radio
. ........... ........ .........................
Electrical Wiring Diagrams

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Battery, Starter, ~lternatorl
WARNING-
Always wear protective goggles and clothing when perform-
ing a load test.
Table
d. Battery load test - minimum voltage
Ambient temperature Voltage*
27
" C (80" F) 9.6 V
-I 8' C (0"
F) 8.5 V
* Measure
after applying a 200 amp load for 15 seconds.
Closed-circuit current measurement
If the vehicle battery is discharged for an unknown reason,
perform a closed-circuit current measurement as the first test.
For diagnostic purposes, it is important to not disconnect the
battery. Disconnecting the battery may reset a faulty control
unit, preventing proper diagnosis.
The following test is generally completed overnight using a
multimeterwith a closed circuitcurrent measurement adaptor
with a recording function
- Check that battery voltage is 12 volts or higher. If lower,
recharge battery.
- Switch off electrical consumers (interior lights, telephone,
aftermarket equipment, or others).
- Open luggage compartment and remove battery trim panel.
Use screwdriver to lock latch on trunk lid or hatch, simulating
closed luggage compartment. Close other doors.
- Open driver's door, then close it, simulating driver entering
vehicle.
- Switch ignition to RUN position for at least five seconds, then
turn ignition to OFF position. This simulates driving vehicle.
- Open and close driver's door, simulating driver leaving
vehicle.
- Lock car and arm alarm.
- Wait at least 16 minutes for consumer cut-off.

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Body shell
Exterior and aerodynamics
Crash behavlor -frontal impact
-side impact
Body
-rear impact Structural body components -rigidity
-rollover -strength -vibrations -acoustics
Bumpers compartment lid -bendable Seets,.steerlng system .dents -vibrations bars -vibration patterns
Fenders -aerodvnamic
With its traditional styling features, such as the ltidney grille.
circular headlights behind a glass cover (for reasons of
streamlining), and the
"kiclt" in the rear most roof pillar (C-pil-
lar), the E39 can be immediately recognized as a BMW.
The BMW 5 Series chassis is a unibody design constructed of
high strength steel. Attaching parts, such as the front fenders,
rear quarter panels, doors,
trunk lid and hood are also con-
structed of
steel.
Computer aided design (CAD) techniques have been used in
refining the
E39 body to reduce vehicle weight while retaining
strength and increasing torsional rigidity. For good handling
purposes, the more rigid the structure the more precisely the
suspension can operate.
Wind resistance
Windows bonded flush to the body and the guided flow of
cooling air into the engine compartment provide the
carwith a
good coefficient of drag (Cd).
E39 cars have been designed
for balanced aerodynamics but not necessarily an extremely
low Cd. See table below.
Windshield wipers are designed for effectiveness at speeds
up to and beyond 200
ltph (124 mph).
Coefficient of aerodynamic drag (Cd)
6-cylinder sedan 0.30
V-8 sedan 0.31
6-cylinder Sport Wagon 0.31
V-8 Sport Wagon 0.33
Fenders
The exterior panels are corrosion-resistant zinc coated (gal-
vanized) steel. The front fenders are bolted on. For front fend-
er replacement information, see
410 Fenders, Engine
Hood.

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41 2 Trunk Lid. Tailgate
........................... General
......................... Trunk Lid
Trunlc lid. removing and installing ........
Trunk lid. adjusting ...................
Trunk lid support strut.
removing and installing
................
Tailgate (Sport Wagon Models) .....
Tailgate. emergency release ...........
Tailgate and window strut diagram .......
Window strut removal diagram .......... 412-8
Rear window gas strut.
removing and installing
................ 412-9
Tailgate gas strut. removing and installing
............... 412-10
Tailgate. removing and installing
........ 412-1 1
Rear window. removing and installing
.... 412-12
Rear window and tailgate. alignment
..... 412-13

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41 2-2
Trunk Lid, Tailgate
This repair group covers trunk lid and tailgate removal and in-
stallation. Also included here are replacement proceduresfor
the gas-charged support struts that hold the trunk lid or tail-
gate in the open position.
NO JE -
The body is painted at the factory after assembly. Realign-
ment of body panels may expose unpainted metal. Paint all
exposed metal once the
work is complete.
Trunk lid, removing and installing
4 Raise trunlc lid.
Open tool ltit cover and remove screws attaching tool kit to
trunlc lid (black arrows).
Disconnect tool ltit cover retaining strap from
trunk lid and
remove tool kit.
Remove insulating liner expansion rivets (white arrows).
4 Pry out moulded trim cover (arrow).

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Trunk Lid, Tailgate
4 Pry out trunk light and disconnect electrical harness plug
connector.
- Gently pry trunk liner away from lid and remove.
4 Disconnect Wiring connectors A, B and C. Remove wiring
harness by pulling through opening in lid frame
D.
While supporting trunk lid, loosen left and right top hinge fas-
teners (arrow
A) and remove lower fasteners (arrow B).
NOTE-
Before loosening hinge bolts, mark hinge and hinge bolt lo-
cations for
reins~alla~on
Lift trunk lid straight up to remove.
Installation is reverse of removal. If necessary, align trunk lid
to body as described in
Trunk lid, adjusting.

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/~runk Lid, Tailgate
Trunk lid, adjusting
< Trunk lid must be parallel to both side panels and should be
mounted flush with body side panels
(arrows). Lid fit toler-
ance is
rt 1 mm (0.04 in).
- Raise trunlc lid and support in open position.
Turn trunk lid detent buffers in
4 Remove trunlc strut retaining clip (arrow) and disconnect
struts.
WARNING-
Make sure to suppori trunk lid before removing struts.

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Trunk Lid, ~ail~atel
Loosen bolts at lefl and right trunk
to point where lid can be moved. hinges
fasteners (arrows)
4 Remove plastic cover from lower trunlc lock. Loosen lock
bolts (arrows) until lock assembly can be moved.
CAUTION-
Before locking trunklid, check that trunk lid is not able to dam-
age the body or rear window.
4 Carefully close trunk lid and check side gaps (arrows). Min-
imum gap is 0.5 mm (0.02 in).
Adjust to fit side body panels.
Open trunlc lid.
Be careful not to alter adjustments.
Tighten lower trunlc lock fasteners.
Close trunk lid and check adjustments.
Repeat process if necessary.
- Close trunk lid. Measure gap between trunlc lid and lower
body panel.
Position lower section of rear trunlc lid
lock higher or lower
so that a
ciao of 5.0 mm (0.04 in) exists between trunlc lid
and
lowe;body panel. '
Check adjustment and repeat if necessary,
4 Screw out detent buffers (arrow) until left and right sides of
trunk lid rest against detent buffers with lid closed.