check engine BMW 528i 1998 E39 Workshop Manual

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Trunk Lid, ~ail~atel
4 Loosen lower tailgate lock fasteners (arrows) so that tailgate
lock can center itself.
CAUTION-
The lower section of tailgate lock must not scrape against
the upper section.
The eccentric pin on the lower section of the tailgate
loclc rotates
when being locked from upper section of
tailgate lock.
- Disconnect tailgate latch actuator motor by squeeze locking
tabs on electrical harness connector and disconnecting.
CAUTION-
Eccentric pin in lower section of trunk lid lock must be at
lower dead center.
After disconnecting plug connector from actuator mo-
tor, tailgate is opened by electric
unloclcing fixture of up-
per section of tailgate loclc.
. For this reason, the cable connections to the upper
section of the tailgate loclc must remain connected.
Othe~tise the tailgate can only be opened by the emer-
gency handle. Eccentric pin of lower section of tailgate
loclc remains at bottom dead center point after unlock-
ing.
Tailgate alignment, height adjustment
4 Loosen left and right tailgate hinge fasteners (arrows) to al-
low tailgate to be adjusted.
CAUTION-
. When the hinge screws for the tailgate are released, the
position of the overall assembly changes with respect to
the body.
The position of the rear window frame to the tailgate re-
mains unchanged.
- Close tailgate carefully and check gap dimensions. See Tail-
gate alignment specifications below.
- Tighten hinge screws when gap dimensions are correct.

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41 2-1 8
Trunk Lid, Tailgate
Tailgate gap and length adjustment
- Close tailgate and open rear window.
Loosen left and right tailgate hinge
bracket fasteners (ar-
rows)
to allow movement of tailgate.
CAUTION-
When the hinge bracket fasteners are loosened, the posi-
tion of the rear window frame changes with respect to the
tailgate.
Always
check the settings of the rear window frame to
the tailgate and
make adjustment if necessary
NOTE-
The tailgate should be approximately I mm lower then side
walls.
4 To obtain tailgate to body parallel alignment, top edge of tail-
gate must first be adjusted parallel to the edge
of D-pillar (A).
I D-pillar gap 27 rnrn (1.6 in)/
- Adjust gap with window open and tailgate closed.

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Trunk Lid, Tailgate
4 To periorm contact pattern test, coat lower latch areas A, 6
and C with grease.
Carefully close and reopen tailgate.
Check that upper section of tailgate lock does not scrape
against lower latch.
* Eccentric pin in lower section of tailgate loclc must not
scrape against upper section
(B) of tailgate lock.
The contact pattern (C) of upper section of tailgate lock on
eccentric pin should be centered.
- To adjust height of upper section of tailgate lock, loosen fas-
teners, move upper section of lock and retighten fasteners.
Repeat contact pattern test after height adjustment.
Tailgate lateral guide, adjusting
< If necessary, loosen lateral guide to body fasteners (arrows)
to allow it to move.
Move lateral guides to center position.
< Loosen lateral guide to tailgate fasteners to allow it to move.
- Close tailgate to center guides with respect to each other.
NOTE-
The bracket of the lateral guide continues to touch against
the body without clearance as does the lateral guide against
the tailgate.
- Open tailgate and tighten guide fasteners.

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41 2-21
Trunk Lid, ~ailaatel
Rear window, adjusting
NOTE- Three versions of rear window are used on
Sport Wagon
models.
Tailgate must be correctly adjusted before rear window ad-
justments are made.
- . . . . . .. .. 4 With tailgate closeo ano rear window open, oosen ninge fas-
teners (arrows) to allow ninge to move.
- LoosL'n fasteners n lower section of ock to al ow movement.
- Care& ly c ose rear window:
Ad.~st gap dmensions and poston of rear window relative
to Oody panel. See Tailgate alignment specifications. .
FA-UTION- I
On transition area between rooflailgate, tailgate must not ex-
tend above height of roof
othe~lise wind noise will be creat-
ed.
- If necessary, adjust height of rear window frame by inserting
spacers between the hinge and the frame.
- Carefully open rear window, taking care not to alter adjust-
ment.
Tighten left and right rear window fasteners.
Close rear window and check adjustment, repeat step if
necessary. See Tailgate alignment specifications.
Rear window locking pin, adjusting
NOTE-- Several versions of rear window
locldng pin are used on
Sport Wagon models.
1999 528i model is shown. Other
models are similar.
For rear window adjustment specifications,
seeTailgate
alignment specifications.
Loosen lower assembly fasteners (arrows)

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51 0-4
I Exterior Trim. Bumpers
4 Carefully remove mirror housing from frame
- Installation is reverse of removal.
NOTE-
Check mirror function before installing covering parts
Outside mirror assembly, removing and
installing
- Remove front door panel trim. See 41 1 Doors
4 Carefully lift inner trim panel up to remove from retaining clip
(arrow).
Disconnect electrical harness connectors for window anti-
trapping protection (B) and speaker (A), if equipped.

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I Exterior Trim, Bumpers
Tightening torques Impact absorber to chassis
(M8 nut) 20 Nm (15 ft-lb)
Impact absorber to chassis
(M6 nut) 9 Nm (80 In-lb
Bumper bracket to impact absorber 45 Nm (32 ft-lb)
(MI0 bolt)
Front bumper height, adjusting
- A 14 mm allen socket is needed to make adjustments
- Raise and properly support vehicle.
WARNING-
Make sure that the car is firmly supported on jackstands de-
signed for the purpose. Place the jack stands beneath a
structural chassis point.
Do not place jack stands under sus-
pension parts.
4 Using a 12-inch extension and a 14 mm Allen socket, turn ad-
justing collar
clocl~wise or counterclocl~wise as needed to
change height of adjusting collar.
4 Distance (A) must be the same at all points (A = 5 i- 1 mm
(0.2 to 0.04 in)).
- Reinstall mounting fasteners and check bumper height
Tightening torques Front bumper to bumper
20 Nm (15 ft-lb)
bracltet (M8 nuts)
Impact absorber
to chassis 9 Nm (80 in-lb
(M6 nuts)
Front bumper bracket to impact
absorber
(MI0 bolts)
41 Nm (31 ft-lb)

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Door Windows
molding and
anti-trap strip
4 If replacing molding with new one, transfer mounting clips
and foam insulation as necessary.
1. Window frame molding
2. Clip
3. Door corner speaker cover
4. Foam insulation
- After installation, recheck anti-trap protection.
Rear window anti-trap strip, removing
- Remove rear door panel and vapor barrier as described in
411 Doors.
4 Remove window frame molding strip, peeling it off fixed win-
dow partition
(arrows). Do not tear strip in area (A).
Disconnect electrical harness connector (arrow).
After installation, recheck anti-trap protection.

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51 2-8
Door Windows
Door window, adjusting
Whenever the door window or window regulator is removed,
window adjustment should be checked. The glass should
contact the top of the window squarely and should seat
against the window seal uniformly.
NOTE-
If the window does not contact the window seal uniformly,
wind noise or water infiltration may result.
- Remove door panel as described in 411 Doors.
- Disconnect negative (-) cable from battery. Remove airbag
unit and vapor barrier from door. See 721 Airbag System
(SRS).
WARNING-
Prior to disconnecting the batteg read the battery discon-
nection cautions given in
001 General Warnings and
Cautions.
Longitudinal adjustment
- Adjustments are made with window in open position.
Loosen window guide rail mounting nuts (arrows), but do not
remove.
Slide window glass in longitudinal direction to adjust
Tighten guide rail nuts.
Tightening torque
Window regulator guide rail to door
10 Nrn (89 in-ib)

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512-9
Door Windows
Vertical adjustment
- Adjustments are made with window in open position
4 Loosen window clamping fasteners (arrows), but do not
remove.
Adjust rear clamp and tighten fastener.
Tighten front clamp fastener.
4 Raise door window up to stop:
Check gap (A) at window front edge,
Checlc gap (5) at window top edge.
NOJE-
Measure window frame between door window edge and
panel.
Front window gap settings
Front of window
(A) 5.4 mm (0.21 in)
Top of window
(6) 10 mm (0.39 in)
Tightening torque Window regulator guide
rail to door 10 Nm (89 in-lb)
Door window, removing and installing
- Remove door panel as described in 411 Doors
- Reconnect window switch and lower window down to conve-
nient height and disconnect window switch.
- Disconnect negative (-) cable from battery, then remove air-
bag unit and vapor barrier from door. See 721 Airbag Sys-
tem (SRS).
WARNING -
Prior to disconnecting the battery, read the battery discon-
nection cautions given
in 001 General Warnings and
Cautions.

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512-12
I Door Windows
- Disconnect window from window guide rail as described in
Door window, removing
and installing. Do not remove
window from door.
* Push window up and use wedge to hold in position.
- If necessary, remove speaker unit from door.
- Removing window regulator from door:
Disconnect window motor electrical harness connector.
4 Remove lower window regulator fasteners (arrows).
Remove window regulator fasteners (arrows)
Loosen fasteners (arrows) and slide regulator up to remove
from mounts.
- Remove window regulatorthrough opening in bottom of door,
checking for any wiring that might become snagged during
removal.
- Installation is reverse of removal.
Be sure to route wiring harnesses to keep them away from
moving window mechanism. Use new wire ties as neces-
sary.
-
Tightening torques -
Window motor to regulator 5 Nm (44 in-lb)
502512211
Window regulator to door 8 Nm (71 in-lb)
Adjust window
as described earlier.
- -
W~ndow to guide 8 Nm (71 in-lb)
--