Ecm BMW 318i 1995 E36 Workshop Manual

BMW 318i 1995 E36 Workshop Manual 318i 1995 E36 BMW BMW https://www.carmanualsonline.info/img/1/2800/w960_2800-0.png BMW 318i 1995 E36 Workshop Manual

Page 37 of 759

BMW 318i 1995 E36 Workshop Manual 
Fig
.
18
.
Fill
mark
on
coolant
expansion
tank
.
Coolant
level
should
be

at
mark
when
engine
ís
cold
.

.
..
e
..
.-
..

	

~
..
.-
.

Ozone
Damaged
Hose

0012476

Fig
.
19
.
Examples
of
damage
to

Page 44 of 759

BMW 318i 1995 E36 Workshop 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 318i 1995 E36 Workshop 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 318i 1995 E36 Workshop 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 318i 1995 E36 Workshop 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 318i 1995 E36 Workshop 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 50 of 759

BMW 318i 1995 E36 Workshop 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

Page 51 of 759

BMW 318i 1995 E36 Workshop Manual 
NOTE-

"
On
carswith
OBD
ti,
specialized
OBD
11
scan
tool
equipment
must
be
used
to
access
the
DTCs,
either
using
the
BMW
special
tool
ora
`generic"
OBD
11
scan
tool
.
See
130
Fuel
Injection
.

"
The

Page 53 of 759

BMW 318i 1995 E36 Workshop Manual 
Graphic
representation
of
flashing
Check
Engine
light
fault
code
:
1221

-
;
5
Seconds
.
~-

	

2
.5;-

Fault
code
and
meaning

	

Corrective
action

Code
1286
:
Knock
control
test
pulse
(DME
3
.3
.1

Page 54 of 759

BMW 318i 1995 E36 Workshop Manual 
100-
1
2
ENGINE-GENERAL

NOTE-

The
oxygen
sensor
signal
is
ignored
until
the
engine
reachesa
specified
minimum
temperature
.
Therefore,

	

The
primary
input
usedby
the
fuel
injection
system
to
dete
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