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BMW E21 3 Series 323i (1977)

BMW E21 3 Series 315 (1981)

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Engine Technical Data

Engine type - Number of cylinders

Inline 6

Inline 4

Engine Code

M20

M98 (M10)

Fuel type

Petrol

Fuel System

Bosch K-Jetronic

carburettor Pierburg 1B2

Lubrication

Wet sump

Engine Cooling

Water

Engine Alignment

Longitudinal

Engine Position

Front

Engine displacement

2315 cm³ / 141.3 cu-in

1573 cm³ / 96 cu-in

Bore

80 mm
3.15 inches

84 mm
3.31 inches

Stroke

76.8 mm
3.02 inches

71 mm
2.8 inches

Number of valves

Aspiration

N/A

Compression Ratio

9.5

Max. RPM

Total System Power

Total System Torque

Horsepower

143 PS / 141 HP / 105 kW @ 5800 rpm

75 PS / 74 HP / 55 kW @ 5800 rpm

Maximum torque

190 Nm / 140 lb-ft @ 4500 rpm

110 Nm / 81 lb-ft @ 3200 rpm

Total electric power

Total electric torque

Number of electric engines

Electric engine #1 type

Electric engine #1 Power

Electric engine #1 Torque

Electric engine #2 type

Electric engine #2 Power

Electric engine #2 Torque

Electric engine #3 type

Electric engine #3 Power

Electric engine #3 Torque

Electric engine #4 type

Electric engine #4 Power

Electric engine #4 Torque

Drive wheels - Traction - Drivetrain

RWD

Transmission Gearbox - Number of speeds

Clutch Type

Manual

Size, Dimensions, Aerodynamics and Weight

Body

Sedan

Num. of Doors

Num. of Seats

Seat distribution

Front legroom

Rear seat legroom

Third row legroom

Front shoulder room

Rear shoulder room

Third row shoulder room

Front head room

Rear head room

Third row head room

Wheelbase

256.3 cm / 100.91 inches

Length

435.5 cm / 171.46 inches

Width

161 cm / 63.39 inches

Width with mirrors

Height

138 cm / 54.33 inches

Front Axle

137.5 cm / 54.13 inches

Rear Axle

136.5 cm / 53.74 inches

Ground clearance

Cargo box inside length

Cargo box inside height

Cargo width

Max. width at wheelhouse

Loading height

Rear door width

Rear door height

Side door width

Side door height

Approach angle (deg)

Breakover (Rampover) angle (deg)

Departure angle (deg)

Aerodynamic drag coefficient - Cx

0.46

Front Brakes - Disc dimensions

Vented Discs (255 mm / 10.04 inches)

Discs (255 mm / 10.04 inches)

Rear Brakes - Disc dimensions

Discs

Drums (250 mm / 9.84 inches)

Front Tyres - Rims dimensions

185/70 R13

165/ R13

Rear Tyres - Rims dimensions

185/70 R13

165/ R13

Front Wheels Width

Rear Wheels Width

Curb Weight

1110 kg / 2447 lbs

1010 kg / 2227 lbs

Dry Weight

Max. Towing Capacity Weight

Weight/Power Output Ratio

7.76 Kg/hp

13.47 Kg/hp

Trunk / Boot capacity

460 L / 16.2 cu-ft

Trunk / Boot First Row

Trunk / Boot Second Row

Trunk / Boot Third Row

Steering

Rack and pinion.

Turning circle

Steering wheel lock-to-lock

Front Suspension

MacPherson struts coil springs Anti-roll bar

MacPherson struts coil springs and Anti-roll bar

Rear Suspension

Semitrailing arms coil springs Anti-roll bar

Semitrailing arms coil springs

Top Speed

200 km/h / 124 Mph

154 km/h / 96 Mph

Acceleration 0 to 60 mph (0 to 96 Km/h)

Acceleration 0 to 100 km/h (0 to 62 mph)

8.7 s

14.8 s

Acceleration 0 to 400m (1/4 quarter mile)

Acceleration 0 to 1000m

37.3 s

Fuel Consumption (Economy), Emissions and Range

Fuel Consumption - Economy - Combined

9.2 L/100 km
31 MPG UK
26 MPG US

Fuel Consumption - Economy - Open road

6.8 L/100 km
42 MPG UK
35 MPG US

Fuel Consumption - Economy - Highway

9 L/100 km
31 MPG UK
26 MPG US

Fuel Consumption - Economy - City

10.5 L/100 km
27 MPG UK
22 MPG US

Fuel Consumption - Economy - City NEDC

Fuel Consumption - Economy - Open road NEDC

Fuel Consumption - Economy - Combined NEDC

Fuel Consumption - Economy - Low WLTP

Fuel Consumption - Economy - Medium WLTP

Fuel Consumption - Economy - High WLTP

Fuel Consumption - Economy - Extra high WLTP

Fuel Consumption - Economy - Combined WLTP

Fuel Consumption - Economy - EPA

Battery Type

Charging Information

Battery capacity

Charging Time

Range

630 km / 392 miles

Range WLTP

Electric Range EPA

Electric Range NEDC

Electric Range WLTP

Average energy consumption

Average energy consumption WLTP

Charging Time

Fast Charging Time

Fuel Tank Capacity

58 L
15.3 US gallons
12.8 UK gallons

AdBlue Tank

CO2 emissions

CO2 emissions WLTP

Emission standard

Safety

Euro NCAP

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