BMW 323i 1993 E36 Service Manual

BMW 323i 1993 E36 Service Manual 323i 1993 E36 BMW BMW https://www.carmanualsonline.info/img/1/2800/w960_2800-0.png BMW 323i 1993 E36 Service Manual
Trending: low beam, engine oil, fuse box location, fuel type, air conditioning, check engine light, wiring

Page 41 of 759

BMW 323i 1993 E36 Service Manual 
NOTE-

Use
a14
mm
or17
mm
alíen
bit
socket
to
remove
the
drain
plug
.

"
If
thecar
is
raised
in
the
air,
it
shouldbe
leve¡
.

Fuel
tank
and
fuel
fines,
inspecting

0012474

Inspect
the
fuel
tank,
f

Page 42 of 759

BMW 323i 1993 E36 Service Manual 
020-20

	

MAINTENANCE
PROGRAM

Seat
Belts

	

Washing
Chassis

Dirt
and
other
abrasive
particles
will
damage
seat
belt
web-

	

Periodic
washing
of
the
underside
of
the
car,
especially
in

bing
.
If

Page 43 of 759

BMW 323i 1993 E36 Service Manual 
GENERAL
.
.....
.
.
.
.
.
.
.
...
.
.
.
.
.
.
.
.
.
...
100-1

Cylinder
Block
and
Crankshaft
.
.
.
.
.
.
.
.
.
...
100-1

Connecting
Rods
and
Pistons
.
.
.
.
.
.
.
.
.
.
.
.
.
100-1

Cylinder
Head
an

Page 44 of 759

BMW 323i 1993 E36 Service Manual 
100-2
ENGINE-GENERAL

Cylinder
Head
and
Valvetrain

The
aluminum
cylinder
head
uses
chain-driven
double
overhead
camshafts
and
four
valves
per
cylinder
.
See
Fig
.
1
.

The
cylinder
head
employs
a
cr

Page 45 of 759

BMW 323i 1993 E36 Service Manual camshaft
secondary
drive,
causing
thecamshaft
to
"advance"

12
.5°
.
The
helical
gears
are
cut
so
that
forward
motion
of
the

gear
cup
is
transiated
into
rotational
motion
of
the
camshaft
.

See
117

Page 46 of 759

BMW 323i 1993 E36 Service Manual 
100-4
ENGINE-GENERAL



	

TEMP

PRECAT

	

POST
CAT

	

OXYGENSENSOR
HEATING

#
.
THROTTLE
POSITION

	

FUEL
INJECTOR
CONTROL
(SEQUENTIAL)

OPERATING
POWER

	

00

CAMSHAFT
POSITION
SENSOR

ECM

Page 47 of 759

BMW 323i 1993 E36 Service Manual 
ignition

Table
b
.
Engine
Management
Systems

	

engine
has
high
mileage
.

Engine

	

1
System

4-cylinder
engines
M42
(1992-1995)

	

Bosch
DME
Ml
.7
M44
(1996-1998)

	

Bosch
DME
M5
.2
(OBD
II)

Page 48 of 759

BMW 323i 1993 E36 Service Manual 
100-6
ENGINE-GENERAL

Cylinder
compression,
checking

A
compression
tester
is
needed
to
make
a
compression
test
.

To
obtain
accurate
test
results,
the
battery
and
starter
must
be
capable
of
cranking

Page 49 of 759

BMW 323i 1993 E36 Service Manual 
eiioo4

Fig
.
9
.

	

Remove
ignition
coils
on
6-cylinder
engine
by
disconnecting
harness
connector
and
removing
mounting
bolts
(arrows)
.

NOTE-

"
The
compression
gauge
reading
shoutd
increase
with

Page 50 of 759

BMW 323i 1993 E36 Service Manual 
100-8
ENGINE-GENERAL

Symptom

	

1

	

Probable
cause
and
correctiveaction

1
.
Engine
will
not
start
or
run
.
Starter
cranks

	

a
.

	

No
fuel
reaching
engine
.
Check
forfuelin
tank
.

engine
at
Trending: boot, fuel pressure, warning, climate control, OBD port, wheel alignment, battery location