hood BMW 528i 2000 E39 Owner's Manual

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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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400-9
Body-General
Battery safety terminal
(BST)
4 Starting with 1999 models (9198 production and later), a py-
rotechnic (explosive charge) device automatically discon-
nects the battery positive terminal during impacts. Key
features,
like power windows and door locks, remain opera-
tional.
Security
Electronic immobilization (EWS)
Ignition key transponder signal All
E39 vehicles incorporate an electronic immobilization sys-
tem known as EWS. This svstem uses a wireless comrnuni-
cation link between a transponder chip in the ignition key and
the ring antenna surrounding the ignition switch. The EWS
control module blocks the starting of the vehicle unless the
correct coded ignition key is used.
NOTE-
Electronic immobilization is sometimes referred to as the
driveaway protection system.
Antitheft alarm (DWA)
This is adealer-installed option for which the E39 vehicles are
factory-wired. When armed, the system monitors door
loci(
contacts and trunk and engine hood locks and sounds a siren
if it detects tampering.
E39 interiors have a unique character, with a combination
of
sporty features and innovativedesign. All body versions were
made in a wide choice of interior and exterior colors. New col-
ors with matching leather or leatherette upholstery were intro-
duced for each model year.
Driving
comfort is enhanced by power steering, tilt steering
wheel, height-adjustable front seats, and electrically adjust-
able and heated rear-view mirrors. Inside the car there are
reading lights at four seating positions.

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400-12
I Body-General
HEATING AND AIR ~ONDITIONING
(I H KA)
4 The integrated heating and air conditioning (IHKA) system
uses an extra large, infinitely variable radial blower motor for
good distribution of air. Fresh air enters through the grille
be.
low the engine hood and into the passenger compartment via
the dashboard and
footwell vents.
- Repair information for the heating and air conditioning
system is covered
in 640 Heating and Air Conditioning.

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1 410 Fenders. Engine Hood
General ........................... .41 0.2 Engine Hood ...................... 410-6
Special tools ........................ .41 0.2 Hood, raising to service position ......... 410-6
........... Hood. removing and installing 41 0-7 Front Fenders ..................... .41 0.2 Hood. aligning ....................... 41 0-8 Front fender. removing and installing ..... .41 0.2 Hood latch components ............... 41 0-10
Hood release cable and
spring pins, adjusting
................. 410-1 1

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[Fenders, Engine Hood
This repair group covers replacement of the front fenders and
removal and installation of the engine hood.
NOJE-
The body is painted at the factory affer assembly Realign-
ment of body panels may expose unpainted metal. Paint all
exposed metal once the work is complete.
Special tools
Most body repairs can be performed using regular automotive
service tools. Some BMW special tools are required to set
body pieces into the
service positions.
Front fender, removing and installing
- Raise front of vehicle and remove wheel
WARNING-
Make sure that the car is firmly supported on jack stands de-
signed for the purpose.
Placejaclr stands beneath structural
chassis points. Do not place jack stands under suspension
parts.
- Raise hood to service position. See Hood, raising to ser-
vice position.
4 Working beneath vehicle, remove fasteners (arrows) from
left side floor panel and remove panel.
- Remove inner plastic liner from wheel housing.

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41 0-4
Fenders, Engine Hood
Working from below, remove front wheel arch fastener (ar-
row).
With door open remove fastener
fender to door post. (arrow) attaching upper
Remove screw
(arrow) at front of fender.
Remove ground strap nut and hood hinge bolts
(arrows)
CAUTION-
Secure hood in such a way that the windshield and body pan-
els
wiN not be damaged.

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-
... ---- - Fenders, -- Engine ~oodl
4 Remove bolts (arrows) along top edge of fender.
- Carefully remove fender from body.
Detent screw on left and right hood hinge
(1) must be set at
25 i- 1 mm (1 k .04 in).
- Installation is reverse of removal, noting the following:
Before installing new fender, clean old sealant and protec-
tive coating from mounting surfaces.
Position new fender and loosely install all mounting bolts.
Align fender with door pillar and inner fender, then tighten
bolts.
Repair any paint damage and paint any exposed metal.
Reseal and apply protective coating to mounting surfaces.

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Hood, raising to service position
CAUTION-
Do not switch on the windshield wipers with the engine
hood raised. As a precaution, remove the wiper
motor
fuse. See 610 Electrical Component Locations.
The
hoodis heavy Before removing the hoodsupports,
be sure to have an assistant help support the hood.
< Open hood fully. With the help of a partner, support hood and
remove retaining clips (arrow) on upper end of pressurized
lifting struts. Pull struts off hood.
< Raise hood to service position and loclc in position by placing
bolts (arrow) in right and
left hinges.

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Fenders, Engine ~ood/
Hood, removing and installing
With hood open:
Remove hood wiring harness mounting clip
(A)
Disconnect electrical harness connector (B).
Unplug windshield washer hose (C).
WARNING-
The hood is heavy Before removing the hoodsupports, be
sure to have an assistant help
support the hood.
Mark position of hinge plates.
With the help of a assistant, support hood and remove retain-
ing clips
(A) on upper end of pressurized lifting struts. Pull
struts off hood.
Loosen upper hinge bolts
(B)
Remove lower hinge bolts (C). Lift hood off carefully.
Installation is reverse of removal.
* Repair any paint damage and paint any exposed metal
Check hood alignment. See
Hood, aligning.
NOTE-
The hood was fitted and attached to an unfinished body at
the factory Unfinished
sun'aces exposed by this procedure
must be touched up with paint,

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41 0-8
(Fenders, Engine Hood
Hood, aligning
When installing the hood, align the hinges as close to the orig-
inal painted surface as possible. Movement of the hood on its
attaching hardware may require touch-up paint.
The hood should be aligned so that gap
(arrows) to fender is
as even as possible.
4 If height adjustment at rear of hood is off, adjust height using
adjusting screw in lower hinge
(arrow). Loosen and reposi-
tion as necessary.
If height adjustment at
ing adjusting screw: rear
of
hood cannot be completed us-
Q Loosen lower hinge screws (1) and (2).
Add or remove washers as needed to correct height set-
ting.