Engine

323i

320i

320

318

316

Production dates:

11/77 - 01/82

11/75 - 03/77

08/75 - 03/77

08/75 - 07/80

08/75 - 07/80

Type:

inline watercooled 6

inline watercooled 4

inline watercooled 4

inline watercooled 4

inline watercooled 4

Bore x Stroke mm

80 x 76.8

89 x 80

89 x 80

89 x 71

84 x 71

Displacement cc

2315

1990

1990

1766

1573

Valve Operation

SOHC

SOHC

SOHC

SOHC

SOHC

Valves / cyl

2

2

2

2

2

Compression Ratio

9.5 : 1

9.3 : 1

8.1 : 1

8.3 : 1

8.3 : 1

Injection / Carburetor:

Bosch K-Jetronic

Bosch K-Jetronic

Solex DIDTA 32/32

Solex DIDTA 32/32

Solex DIDTA 32/32

Max Torque

190Nm @ 4500

175Nm @ 4350

160Nm @ 3700

145Nm @ 4000

125Nm @ 4000

BHP (DIN)

143 @ 5800

125 @ 5700

109 @ 5800

98 @ 5800

90 @ 6000

Engine type code

M 20

M 10

M 10

M 10

M 10

Timing by:

belt

chain

chain

chain

chain

CO %

1-2

3.0 (max)

1.5

1.5

1.5

Idle speed (RPM)

850-950

850-950

850-950

850-950

850-950

Chassis and Drivetrain

Transmission

4 speed manual

4 speed manual

4 speed manual

4 speed manual

4 speed manual

Front suspension

MacPherson struts, coil springs, anti-roll bar

MacPherson struts, coil springs, anti-roll bar

MacPherson struts, coil springs, anti-roll bar

MacPherson struts, coil springs, anti-roll bar

MacPherson struts, coil springs, anti-roll bar

Rear suspension

Semitrailing arms, coil springs, anti-roll bar

Semitrailing arms, coil springs, anti-roll bar

Semitrailing arms, coil springs, anti-roll bar

Semitrailing arms, coil springs, anti-roll bar

Semitrailing arms, coil springs, anti-roll bar

Axle Ratio

3.45

3.64

 3.91

 3.91

4.10

General

Wheelbase (mm)

2563

2563

2563

2563

2563

Track front/rear (mm)

1388/1401

1387/1396

1366/1376

1366/1376

1366/1376

Brakes front/rear

Ventilated disc / massive disc

Ventilated disc / Drum

Ventilated disc / Drum

Ventilated disc / Drum

Ventilated disc / Drum

Wheels/Tires

steel 13"x5.5J / 185/70HR13

steel 13"x5.5J / 185/70HR13

steel 13"x5.5J / 185/70HR13

steel 13"x5.5J / 185/70HR13

steel 13"x5J / 165SR13

Maximum Speed (kph)

200

182

170

165

160

Acceleration 0-100 kph

8.7

9.9

11.2 

11.9 

13.8

Weight (kgs)

1110

1090

1030

1020

1010

Battery (Ah)

55

55

44

36

36

Standard Equipment

 (including equipment of lower range models)

Electronic ignition

Model-badge in front grill

Halogen headlights H4

Chrome window frames

Rev counter

Lighted glove compartment

Rear safelty belts: 2 auto, 1 manual

Luxury interior trim, w/cloth door panels

Toolbox

Bilux headlights

Dual halogen headlights H4

Quartz clock

Lighted hood & bonnet

Options

Power steering rack

5-speed manual gearbox

3-speed automatic gearbox

Tinted glass

Manual sunroof, metal

Leather 3-spoke sports steering wheel

Leather gear knob

Headlights wipers

Rev counter

Alloy wheels (13")

Rear headrests

Recaro and/or leather seats

Bavaria radio-cassette

Extended tool kit

Powered antenna

Fog lights (mounted under front bumper)

Clearcoated metallic paint

All models

Valve margins (cold)

in (mm)

out (mm)

Fuel tank (ltrs)

58 (51+7)

4 cyl. > 81 

.15

.20

Cylinder head

Aluminum

316 81>

.20

.20

Lubricant (motoroil)

SAE 10W40 SE

318i 81>

.20

.25

Gearbox oil - manual

SAE 80

all 6-cyl.

.25

.25

Change quantity 4 sp.

1 litre

Change quantity 5 sp.

1.4 litres

Gearbox oil - auto

Dexron ATF

 Firing order

Change quantity auto

2 litres

 4 cylinder

1 - 3 - 4 - 2

Diff oil

SAE 90 Transmission

 6 cylinder

1 - 5 - 3 - 6 - 2 - 4 

Change quantity diff

0.95 litres

Power steering

Dexron ATF 77

Change quantity

1.2 litre

 More detailed specs on my 1981-on specs page! 

Coolant 4-cylinder

7.2 litres

Coolant 6-cylinder

12 litres

Brake / Clutch

ATE/Castrol/DOT 4

 Fuel

Leaded ROZ 98