1972 BMW 520 E12

BMW 520 is an automobile that has a 4 door saloon (sedan) type body styled by Paul Bracq with a front located engine delivering power to the rear wheels. The 520 forms part of BMW's E12 family of cars. Its 2 litre engine is a naturally aspirated, single overhead camshaft, 4 cylinder that develops 113 bhp (115 PS/84 kW) of power at 5800 rpm, and maximum torque of 165 N·m (122 lb·ft/16.8 kgm) at 3700 rpm. A 4 speed manual gearbox supplies the power to the driven wheels. Having a stated kerb weight of 1230 kg, the BMW 520 can dispense with the 0-60 mph sprint in 11.9 seconds and the standing quarter mile in 18.2 seconds. It is said to be able to attain a top speed of 172 km/h which is 107 mph.

Pictures

BMW 520 -
BMW 520
Image courtesy of BMW

Key facts

1972 BMW 520 E12 information summary

What body style?
4 door sedan/saloon with 4/5 seats
How long?
4620 mm
How heavy?
1230 kg
What size engine?
2 litre, 1991 cm3
How many cylinders?
4, Straight
How much power?
115 PS / 113 bhp / 84 kW @ 5800 rpm
How much torque?
165 Nm / 122 ft.lb / 16.8 kgm @ 3700 rpm
How quick?
0-60 mph: 11.9 s
How quick?
0-100 km/h: 12.3 s
How fast?
172 km/h, 107 mph

BMW E12 models

4 door sedan/​saloon FR 5M 1766 cm3 105 PS 103.5 bhp 77 kW 1240 kg
4 door sedan/​saloon FR 3A 1766 cm3 105 PS 103.5 bhp 77 kW 1260 kg
4 door sedan/​saloon FR 5M 1991 cm3 125 PS 123 bhp 92 kW 1270 kg
4 door sedan/​saloon FR 3A 1991 cm3 125 PS 123 bhp 92 kW 1285 kg
4 door sedan/​saloon FR 5M 2788 cm3 184 PS 181.5 bhp 135 kW 1430 kg
4 door sedan/​saloon FR 3A 2788 cm3 184 PS 181.5 bhp 135 kW 1445 kg
4 door sedan/​saloon FR 5M 1766 cm3 90 PS 89 bhp 66 kW 1240 kg
4 door sedan/​saloon FR 3A 1766 cm3 100 PS 99 bhp 74 kW 1245 kg
4 door sedan/​saloon FR 5M 1991 cm3 122 PS 120.5 bhp 90 kW 1310 kg
4 door sedan/​saloon FR 3A 1991 cm3 122 PS 120.5 bhp 90 kW 1330 kg
4 door sedan/​saloon FR 4M 2788 cm3 184 PS 181.5 bhp 135 kW 1410 kg
4 door sedan/​saloon FR 5M 2788 cm3 184 PS 181.5 bhp 135 kW 1410 kg
4 door sedan/​saloon FR 3A 2788 cm3 184 PS 181.5 bhp 135 kW 1430 kg
4 door sedan/​saloon FR 3A 2788 cm3 170 PS 168 bhp 125 kW 1410 kg
BMW M535i -
4 door sedan/​saloon FR 5M 3453 cm3 218 PS 215 bhp 160 kW 1391 kg
4 door sedan/​saloon FR 4M 1766 cm3 102 PS 100.5 bhp 75 kW 1190 kg
4 door sedan/​saloon FR 5M 1766 cm3 102 PS 100.5 bhp 75 kW 1190 kg
4 door sedan/​saloon FR 3A 2788 cm3 170 PS 168 bhp 125 kW 1485 kg
4 door sedan/​saloon FR 3A 1766 cm3 90 PS 89 bhp 66 kW 1260 kg
4 door sedan/​saloon FR 3A 2986 cm3 175 PS 173 bhp 129 kW 1425 kg
BMW 520 -
4 door sedan/​saloon FR 4M 1991 cm3 122 PS 120.5 bhp 90 kW 1350 kg
4 door sedan/​saloon FR 4M 2788 cm3 177 PS 175 bhp 130 kW 1410 kg
4 door sedan/​saloon FR 4M 2986 cm3 179 PS 177 bhp 132 kW 1425 kg
BMW 525 -
4 door sedan/​saloon FR 4M 2495 cm3 150 PS 148 bhp 110 kW 1350 kg
4 door sedan/​saloon FR 3A 2495 cm3 150 PS 148 bhp 110 kW 1370 kg
BMW 528 Automatic -
4 door sedan/​saloon FR 3A 2788 cm3 170 PS 167.5 bhp 125 kW 1405 kg
4 door sedan/​saloon FR 5M 1991 cm3 115 PS 113 bhp 84 kW
4 door sedan/​saloon FR 3A 1991 cm3 115 PS 113 bhp 84 kW 1260 kg
4 door sedan/​saloon FR 4M 1991 cm3 125 PS 123 bhp 92 kW 1295 kg
4 door sedan/​saloon FR 5M 1991 cm3 130 PS 128 bhp 95 kW

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4 door sedan/​saloon FR 3A 1968 cm3 105 PS 103.5 bhp 77 kW 1095 kg
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4 door sedan/​saloon FR 4M 1968 cm3 120 PS 118 bhp 88 kW 1080 kg
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4 door sedan/​saloon FR 3A 1968 cm3 115 PS 113 bhp 84 kW 1095 kg
4 door sedan/​saloon FR 3A 1968 cm3 120 PS 118 bhp 88 kW 1095 kg
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4 door sedan/​saloon FR 3M 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 1390 kg
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4 door sedan/​saloon FR 4OD 1985 cm3 124 PS 122 bhp 91 kW 1230 kg
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4 door sedan/​saloon FR 4OD 2127 cm3 125 PS 123 bhp 92 kW 1404 kg
4 door sedan/​saloon FR 3A 2127 cm3 125 PS 123 bhp 92 kW 1404 kg
4 door sedan/​saloon FR 4OD 2127 cm3 125 PS 123 bhp 92 kW 1394 kg
4 door sedan/​saloon FR 3A 2127 cm3 125 PS 123 bhp 92 kW 1394 kg
1972 BMW 520 data
bodywork
Body type4/5 seater sedan/saloon
Number of doors4
DesignerPaul Bracq
dimensions & weights
mminches
Wheelbase 2636 mm 103.8 inches
Track/tread (front) 1406 mm 55.4 inches
Track/tread (rear) 1442 mm 56.8 inches
Length 4620 mm 181.9 inches
Width 1690 mm 66.5 inches
Height 1425 mm 56.1 inches
Ground clearance
length:wheelbase ratio 1.75
Kerb weight 1230 kg 2712 lb
Weight distribution
fuel tank capacity 70 litres 15.4 UK Gal 18.5 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 115 PS (113 bhp) (84 kW)
at 5800 rpm
Specific output 56.8 bhp/litre
0.93 bhp/cu in
maximum torque 165 Nm (122 ft·lb) (16.8 kgm)
at 3700 rpm
Specific torque 82.87 Nm/litre
1 ft·lb/cu3
Engine construction
sump wet sumped
compression ratio 9:1
Fuel system 2 Stromberg 175 CDET carburettors
bmep (brake mean effective pressure) 1041.4 kPa (151 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)
Acceleration 0-60mph 11.9 s
Acceleration 0-100km/h 12.3 s
Acceleration 0-160km/h (100mph)
Standing quarter-mile 18.2 s
Standing kilometre
Maximum speed 172 km/h (107 mph)
Power-to-weight ratio 93.15 PS/tonne (1000 kg)
68.51 kW/tonne (1000 kg)
91.87 bhp/tonne (1000 kg)
0.04 bhp/lb
Weight-to-power ratio 14.6 kg/kW
24.38 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
turns lock-to-lock 4.300
Turning circle
Front suspension I.MS.CS.ARB.
Rear suspension I.TA.CS.
Wheel size front 5½J x 14 H2
Wheel size rear 5½J x 14 H2
Tyres front 175 SR 14
Tyres rear 175 SR 14
Brakes F/R Di/Dr-S
Front brake diameter 272 mm
Rear brake diameter 250 mm
Braked area
Gearbox 4 speed manual
Top gear ratio 1
Final drive ratio 4.10
general
Carfolio.com ID56705
Production total
Model code
Model family E12
RAC rating 19.6
Insurance classification No information available
Tax band No information available
1972 BMW 520 added before December 1995.
Last modified 2013-06-18.