BMW 320i, 1975 MY E21 US

BMW 320i is a car that has a 2 door saloon (sedan) type body designed by Paul Bracq with a front positioned engine powering the rear wheels. The BMW 320i is one of the E21 model family from BMW. It's powered courtesy of a naturally aspirated engine of 2 litre capacity. This unit features single overhead camshaft valve gear, 4 cylinder layout, and 2 valves per cylinder. It has an output of 110 bhp (112 PS/82 kW) of power at 5800 rpm, and maximum torque of 152 N·m (112 lb·ft/15.5 kgm) at 3750 rpm. The engine drives the wheels by means of a 4 speed manual gearbox. Its quoted weight at the kerb is 1182 kg. It is said to be able to attain a maxiumum speed of 167 km/h (104 mph).

Pictures

Key facts

BMW 320i, 1975 MY E21 US information summary

What body style?
2 door sedan/saloon with 4/5 seats
How long?
4509 mm
How heavy?
1182 kg
What size engine?
2 litre, 1991 cm3
How many cylinders?
4, Straight
How much power?
112 PS / 110 bhp / 82 kW @ 5800 rpm
How much torque?
152 Nm / 112 ft.lb / 15.5 kgm @ 3750 rpm
How quick?
0-60 mph: 12 s
How fast?
167 km/h, 104 mph

BMW E21 models

2 door sedan/​saloon FR 4M 1574 cm3 75 PS 74 bhp 55 kW 1010 kg
2 door sedan/​saloon FR 4M 1767 cm3 105 PS 103.5 bhp 77 kW 1030 kg
2 door sedan/​saloon FR 3A 1767 cm3 105 PS 103.5 bhp 77 kW 1040 kg
BMW 323i -
2 door sedan/​saloon FR 5M 2316 cm3 143 PS 141 bhp 105 kW 1135 kg
2 door sedan/​saloon FR 4M 2316 cm3 143 PS 141 bhp 105 kW 1135 kg
2 door sedan/​saloon FR A 2316 cm3 143 PS 141 bhp 105 kW 1150 kg
BMW 320 -
2 door sedan/​saloon FR 5M 1991 cm3 122 PS 120 bhp 89 kW 1115 kg
2 door sedan/​saloon FR A 1991 cm3 122 PS 120 bhp 89 kW 1130 kg
BMW 316 -
2 door sedan/​saloon FR 4M 1574 cm3 90 PS 89 bhp 66 kW 1020 kg
2 door sedan/​saloon FR 4M 1766 cm3 98 PS 97 bhp 72 kW 1010 kg
2 door sedan/​saloon FR 3A 1766 cm3 98 PS 97 bhp 72 kW 1030 kg
BMW 320 -
2 door sedan/​saloon FR 4M 1991 cm3 109 PS 107.5 bhp 80 kW 1030 kg
2 door sedan/​saloon FR 3A 1991 cm3 109 PS 107.5 bhp 80 kW 1050 kg
2 door sedan/​saloon FR 4M 1991 cm3 125 PS 123 bhp 92 kW 1050 kg

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4 door sedan/​saloon FR 3M 1988 cm3 115 PS 113.5 bhp 85 kW 1330 kg
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4 door sedan/​saloon FR 3A 1988 cm3 115 PS 113.5 bhp 85 kW 1355 kg
4 door sedan/​saloon FR 3A 1988 cm3 115 PS 113.5 bhp 85 kW 1355 kg
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4 door sedan/​saloon FR 4M 1988 cm3 115 PS 113.5 bhp 85 kW 1370 kg
4 door sedan/​saloon FR 3M 1988 cm3 115 PS 113.5 bhp 85 kW 1305 kg
4 door sedan/​saloon FR 3M 1988 cm3 115 PS 113.5 bhp 85 kW 1380 kg
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4 door sedan/​saloon FR 3A 1988 cm3 115 PS 113.5 bhp 85 kW 1385 kg
4 door sedan/​saloon FR 3A 1988 cm3 115 PS 113.5 bhp 85 kW 1385 kg
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1975 BMW 320i data
Applicable to the USA domestic market(s).
bodywork
Body type4/5 seater sedan/saloon
Number of doors2
DesignerPaul Bracq
dimensions & weights
mminches
Wheelbase 2563 mm 100.9 inches
Track/tread (front) 1387 mm 54.6 inches
Track/tread (rear) 1400 mm 55.1 inches
Length 4509 mm 177.5 inches
Width 1610 mm 63.4 inches
Height 1379 mm 54.3 inches
Ground clearance 145 mm 5.7 inches
length:wheelbase ratio 1.76
Kerb weight 1182 kg 2606 lb
Weight distribution 54 % front
fuel tank capacity 60 litres 13.2 UK Gal 15.9 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer BMW
Engine code
Cylinders Straight 4
Capacity 2 litre
1991 cc
(121.498 cu in)
Bore × Stroke 89 × 80 mm
3.5 × 3.15 in
Bore/stroke ratio 1.11
Valve gear single overhead camshaft (SOHC)
2 valves per cylinder
8 valves in total
maximum power output
(DIN)
112 PS (110 bhp) (82 kW)
at 5800 rpm
Specific output
(DIN)
55.2 bhp/litre
0.91 bhp/cu in
maximum torque
(DIN)
152 Nm (112 ft·lb) (15.5 kgm)
at 3750 rpm
Specific torque
(DIN)
76.34 Nm/litre
0.92 ft·lb/cu3
Engine construction
sump wet sumped
compression ratio 8.1:1
Fuel system Bosch K-Jetronic fuel injection
bmep (brake mean effective pressure) 959.4 kPa (139.1 psi)
Maximum RPM
crankshaft bearings 5
Engine coolant Water
Unitary capacity 497.75 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
performance
Acceleration 0-80km/h (50mph) 8.7 s
Acceleration 0-60mph 12 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile 18.7 s
@ 73.5 mph
Standing kilometre
Maximum speed 167 km/h (104 mph)
Power-to-weight ratio 94.36 PS/tonne (1000 kg)
69.4 kW/tonne (1000 kg)
93.06 bhp/tonne (1000 kg)
0.04 bhp/lb
Weight-to-power ratio 14.41 kg/kW
24.07 lb/bhp
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres/100km
km/litre
UK MPG
US MPG
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
chassis
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
Steering rack & pinion
turns lock-to-lock 4.100
Turning circle
Front suspension
Rear suspension
Wheel size front 5½J x 13 H2
Wheel size rear 5½J x 13 H2
Tyres front 185/70 HR 13
Tyres rear 185/70 HR 13
Brakes F/R VeDi/Dr-S
Front brake diameter 255 mm
Rear brake diameter 250 mm
Braked area
Gearbox 4 speed manual
Top gear ratio 1
Final drive ratio 3.64
general
Carfolio.com ID319297
Production total
Model code
Model family E21
RAC rating 19.6
Insurance classification No information available
Tax band No information available
1975 BMW 320i added 2013-03-01.
Last modified 2013-06-19.