Engine Information
M20
Engines
|
323i
|
320/6
|
Production
dates:
|
11/77
- 01/82
|
08/77
- 08/82
|
Type:
|
inline
watercooled 6
|
inline
watercooled 6
|
Bore
x Stroke mm
|
80
x 76.8
|
80
x 66
|
Displacement
cc
|
2315
|
1990
|
Valve
Operation
|
SOHC
|
SOHC
|
Valves
/ cyl
|
2
|
2
|
Compression
Ratio
|
9.5 :
1
|
9.2 :
1
|
Injection
/ Carburetor:
|
Bosch
K-Jetronic
|
Solex
4A1
|
Max
Torque
|
190Nm @ 4500
|
160Nm @ 4000
|
BHP (DIN)
|
143 @ 5800
|
122 @ 6000
|
Max
rev count (RPM)
|
6400
|
6400
|
Engine
type code
|
M
20
|
M
20
|
Timing
by:
|
belt
|
belt
|
CO
%
|
1-2
|
1.5
|
Idle
speed (RPM)
|
850-950
|
800-900
|
M10
Engines
|
320i
|
320
|
318i
|
318
|
316
|
316
|
315
|
Production
dates:
|
11/75
- 03/77
|
08/75
- 03/77
|
08/80
- 12/82
|
08/75
- 07/80
|
08/80
- 12/81
|
08/75
- 07/80
|
02/81
- 08/82
|
Type:
|
inline
watercooled 4
|
inline
watercooled 4
|
inline
watercooled 4
|
inline
watercooled 4
|
inline
watercooled 4
|
inline
watercooled 4
|
inline
watercooled 4
|
Bore
x Stroke mm
|
89
x 80
|
89
x 80
|
89x71
|
89
x 71
|
89
x 71
|
84
x 71
|
84
x 71
|
Displacement
cc
|
1990
|
1990
|
1766
|
1766
|
1766
|
1573
|
1573
|
Valve
Operation
|
SOHC
|
SOHC
|
SOHC
|
SOHC
|
SOHC
|
SOHC
|
SOHC
|
Valves
/ cyl
|
2
|
2
|
2
|
2
|
2
|
2
|
2
|
Compression
Ratio
|
9.3 :
1
|
8.1 :
1
|
10 :
1
|
8.3 :
1
|
9.5 :
1
|
8.3 :
1
|
9.5 :
1
|
Injection
/ Carburetor:
|
Bosch
K-Jetronic
|
Solex
DIDTA 32/32
|
Bosch
K-Jetronic
|
Solex
DIDTA 32/32
|
Solex
2B4
|
Solex
DIDTA 32/32
|
Solex
1B2
|
Max
Torque
|
175Nm @ 4350
|
160Nm @ 3700
|
148Nm @ 4500
|
145Nm @ 4000
|
143Nm @ 4000
|
125Nm @ 4000
|
110Nm @ 3200
|
BHP (DIN)
|
125
@ 5700
|
109
@ 5800
|
105 @ 5800
|
98
@ 5800
|
90 @ 5500
|
90
@ 6000
|
75 @ 5800
|
Engine
type code
|
M
10
|
M
10
|
6400
|
M
10
|
6400
|
M
10
|
6400
|
Timing
by:
|
chain
|
chain
|
M
10
|
chain
|
M
10
|
chain
|
M
10
|
CO
%
|
3.0
(max)
|
1.5
|
chain
|
1.5
|
chain
|
1.5
|
chain
|
Idle
speed (RPM)
|
850-950
|
850-950
|
1.1
|
850-950
|
1.0
|
850-950
|
1.5
|
|
|
|