1999 BMW 528i engine diagram

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- Fuel Tank and Fuel pump]
Remove fuel pump
relay (arrow).
4 Connect relay socitet terminal 6 (redlviolet wire) to relay
socket terminal
2 (whitelblue wire) with a fused jumper wire.
After completing tests, remove jumper harness.
CA
UTIOG
Relay locations may vary Use care when identifying relays
and making electrical checks at
the fuse/relay panel. See
610 Electrical Component Locations for additional re-
lay information.
The fuel pump relay has a 1.5
md red/violet wire at
terminal
6 in the relay socket. Terminal2 has a 2.5md
white/blue wire. See ELE Electrical Wiring Diagrams
for additional wiring information.
NOTE-
* The fuel pump will run as soon as the jumper wire Is at-
tached.
The jumper wire should be 1.5
md (14 ga.) and include
an in-line fuse holder with a 15A fuse. To avoid
fuse/relay
panel damage from repeated connecting and disconnect-
ing, also include a toggle switch in the jumper harness.
- If pump does not run with jumper installed, fault could be in
fuel pump, fuses
F31 or F22 1 F54, or wiring to pump. Check
pump, fuses and its wiring as described below.
Fuel pump electrical circuit, testing
- The test given below assumes that the fuel pump relay circuit
is functioning correctly as described earlier. Access to the
pump is from below the rear seat bottom cushion.
- Remove rear seat lower cushion by lifting front edge off left
and right catches.

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180 Exhaust System
General Exhaust System
. . . . . . . . . . . . . . . . .
Exhaust system, removing and installing
Muffler, replacing..
. . . . . . . . . . . . . . . . .
Exhaust Manifolds . . . . . . . . . . . . . . .
Exhaust manifolds, removing
and installing (M52 engine)
. . . . . . . . . .
Exhaust manifolds, removing and
installing (M52
TU and M54 engines) . . .
Exhaust manifolds, removing
and installing (M62 engine)
. . . . . . . . . .
Oxygen Sensors. . . . . . . . . . . . . . . . . . . . 180-9
Oxygen sensors (precatalyst),
replacing
(M52 TU and M54) . . . . . . . . . . . . 180-9
Oxygen sensors (post-catalyst),
replacing (M52
TU and M54) . . . . . . . . . . . . 180-9
Oxygen sensor, replacing
(M52 and M62 engine) . . . . . . . . . . . . . . . 180-10
Exhaust System Diagrams . . . . . . . . . 180-1 1
M52 engine (528i 1997-1 998) . . . . . . . . . . 180-1 1
M52
TU and M54 engines
(528i 1999-2000 and 5251 2001-2003) . . . 180-1 2
M54 engine
(530i 2001-2003) . . . . . . . . . . 180-1 3
M62 engine
(540i 1997-1 998) . . . . . . . . . . 180-1 4
M62
TU engine (540i 1999-2003 . . . . . . . 180-1 5

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300 Suspension. Steering and Brakes .
Genera8
General ........................... .30 0.2
Aluminum suspension components
...... .30 0.2
Front Suspension ................. .30 0.2
Front suspension 6-cylinder models
(525i.5281. 530i) ..................... .30 0.3
Front suspension V-8 models (540i) ...... .30 0.4
Rear Suspension .................. .30 0.5
Sedan models
....................... .30 0.5
Rear suspension sedan models ........ .30 0.6
Sport Wagon models ................. .30 0.6
Rear suspension Sport Wagon
(with coil springs)
.................... .30 0.7
Rear suspension Sport Wagon
(EHC with air springs)
................. .30 0.8
EHC operational diagram .............. .30 0.9
Steering ......................... .30 0.10
Rack-and-pinion steering ............. .30 0.10
Recirculating ball and nut steering ...... .30 0.10
..................... Brake System 300-10
Wheels and Tires ................. 300-1 1
............... Rim and tire sizes table 300-1 1
Electronic Brake and Stability
.................. Control Systems 300-1 1
E39 electronic brake and stability
........ control systems application table 300-12
........................ ABS system 300-1 2
Automatic Stability Control (ASC)
....... 300-12
ABSIASC traction control system ....... 300-13
Dynamic Stability Control (DSC)
........ 300-14
Ride Height ....................... 300-14
......... Front ride height specifications 300-1 5
......... Rear ride height specifications 300-16

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EHC operational diagram
LEFTAIR SPRING RIGHTAIR SPRlNG 50230000,
-
-
-

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31 0-9
Front Suspension
Front strut assembly
components
(6-cylinder models)
1. Cap
2. Upper strut self-locking nut
3. Washer
4. Strut bearing reinforcement
5. Strut mount self-locking nut
6. Upper strut mount
7. Dust protector collar
8. Spacer
9. Upper spring seat
10. Spacer
11. Upper spring pad
12. Coil spring
13. Rubber stop
14. Dust boot
15. Lower strut pad
16. Strut with lower spring seat
Front strut assembly, disassembling
and assembling
Replacing the strut, upper strut mount or spring requires that
the strut assembly first be removed from the car
and disas-
sembled. For a guide to parts used during component re-
placement, see the accompanying diagram.
NOTE-
Illustration shows components ior 6-cylinder models (525i,
528i, 530;). V-8 models (540i) are similar but not identical.

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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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r Trunk Lid, Tailgate
Tailgate and window strut
diagram
1. Rear window frame
2. Gas struts for tailgate
3. Gas struts for rear window
4. Rear window frame

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41 2-8
l~runk Lid, Tailgate Window strut removal
diagram
1. Rear window
2. Rear window gas strut
3. Inner strut support
4. Tailgate gas strut
5. Area to install protective tape
6. BMW special tool 51 2 153
7. BMW special tool 51 2 152