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E21 3 Series Versions

BMW E21 3 Series 320 Specs

(1977 - 1982) - Technical Specifications for Years 1977, 1978, 1979, 1980, 1981, 1982
With 0 to 100 km/h (62mph) in 10 seconds, a maximum top speed of 112 mph (180 km/h), a curb weight of 2403 lbs (1090 kgs), the E21 3 Series 320 has a naturally-aspirated In-line 6 cylinder engine, Petrol motor, with the engine code M20B20.
This engine produces a maximum power of 122 PS (120 bhp - 90 kW) at 6000 rpm and a maximum torque of 160 Nm (118 lb.ft) at 4000 rpm. The power is transmitted to the road by the rear wheel drive (RWD) with a 4 speed Manual gearbox.
About chassis details responsible for road holding, handling behaviour and ride confort, the E21 3 Series has MacPherson struts coil springs and anti-roll bar front suspension and Semitrailing arms coil springs and anti-roll bar rear suspension. Stock tire sizes are 185 / 70 on 13 inch rims at the front, and 185 / 70 on 13 inch rims at the rear. For stopping power, the E21 3 Series 320 braking system includes Discs at the front and Drums at the rear.
The E21 3 Series model is a car manufactured by BMW, with 2 doors and 5 seats, sold new from year 1977 to 1982, and available after that as a used car.

BMW E21 3 Series 320 Engine Technical Data BMW E21 3 Series 320 Engine Technical Data

Engine type - Number of cylinders : I 6
Engine Code : M20B20
Fuel type :
Petrol
Fuel System : Solex 4A1
Engine Alignment : Longitudinal
Engine size - Displacement - Engine capacity : 1990 cm3 or 121.4 cu-in
Bore x Stroke : 80 x 66 mm
3.15 x 2.6 inches
Number of valves : 12 Valves
Aspiration : N/A
Compression Ratio : 9.2
Maximum power - Output - Horsepower : 122 PS or 120 bhp or 90 kW @ 6000 rpm
Maximum torque : 160 Nm or 118 lb.ft @ 4000 rpm
Drive wheels - Traction - Drivetrain : RWD
Transmission Gearbox - Number of speeds :

BMW E21 3 Series 320 Fuel Consumption (Economy), Emissions and Range BMW E21 3 Series 320 Fuel Consumption (Economy), Emissions and Range

Fuel Consumption - Economy - Combined: - L/100km
Fuel Consumption - Economy - Extra Urban: 7.2 L/100km
39 mpg UK / 33 mpg US
Fuel Consumption - Economy - Highway: 9.6 L/100km
29 mpg UK / 25 mpg US
Fuel Consumption - Economy - City: 13 L/100km
22 mpg UK / 18 mpg US
Fuel Tank Capacity : 58 L
12.8 UK gallons
15.3 US gallons
CO2 emissions : - g/Km

BMW E21 3 Series 320 Performance BMW E21 3 Series 320 Performance

Top Speed : 180 km/h or 112 Mph
Acceleration 0 to 100 km/h (0 to 62 mph) : 10 s

BMW E21 3 Series 320 Size, Dimensions, Aerodynamics and Weight BMW E21 3 Series 320 Size, Dimensions, Aerodynamics and Weight

Num. of Doors : 2
Wheelbase : 256.3 cm or 100.91 inches
Length : 435.5 cm or 171.46 inches
Width : 161 cm or 63.39 inches
Height : 138 cm or 54.33 inches
Num. of Seats : 5
Aerodynamic drag coefficient - Cx : 0.46
Front Brakes - Disc dimensions : Discs (255 mm)
Rear Brakes - Dics dimensions : Drums (250 mm)
Front Tyres - Rims dimensions : 185/70 R13
Rear Tyres - Rims dimensions : 185/70 R13
Curb Weight : 1090 kg OR 2403 lbs
Weight-Power Output Ratio : 8.9 kg/hp
Trunk / Boot capacity : 460 L
Front Suspension : MacPherson struts coil springs and anti-roll bar
Rear Suspension : Semitrailing arms coil springs and anti-roll bar
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