BMW 520, 1981 MY E12 ZA

The BMW 520 is a rear wheel drive automobile, with its motor positioned in the front, and a 4 door saloon (sedan) bodyshell designed by Paul Bracq. The BMW 520 is one of the E12 range of cars from BMW. It's powered courtesy of a naturally aspirated engine of 2 litre capacity. This powerplant features single overhead camshaft valve gear, 6 cylinder layout, and 2 valves per cylinder. It has an output of 120.5 bhp (122 PS/90 kW) of power at 6000 rpm, and maximum torque of 160 N·m (118 lb·ft/16.3 kgm) at 4000 rpm. The engine delivers its power through to the wheels by means of a 5 speed manual 'box. It weighs a stated 1310 kg at the kerb. Maximum speed claimed is 180 km/h, which is 112 mph.

Pictures

Key facts

BMW 520, 1981 MY E12 ZA information summary

What body style?
4 door sedan/saloon with 4/5 seats
How long?
4620 mm
How heavy?
1310 kg
What size engine?
2 litre, 1991 cm3
How many cylinders?
6, Straight
How much power?
122 PS / 120.5 bhp / 90 kW @ 6000 rpm
How much torque?
160 Nm / 118 ft.lb / 16.3 kgm @ 4000 rpm
How quick?
0-100 km/h: 12.4 s
How fast?
180 km/h, 112 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 3A 1991 cm3 122 PS 120.5 bhp 90 kW 1330 kg
4 door sedan/​saloon FR 5M 2788 cm3 184 PS 181.5 bhp 135 kW 1410 kg
4 door sedan/​saloon FR 4M 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 5M 1766 cm3 102 PS 100.5 bhp 75 kW 1190 kg
4 door sedan/​saloon FR 4M 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
4 door sedan/​saloon FR 3A 1991 cm3 130 PS 128 bhp 95 kW

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4 door sedan/​saloon FR 4M 1998 cm3 130 PS 128 bhp 95 kW 1390 kg
4 door sedan/​saloon FR 4M 1770 cm3 117 PS 115 bhp 86 kW 1085 kg
4 door sedan/​saloon FR 4M 1770 cm3 117 PS 115 bhp 86 kW 1110 kg
4 door sedan/​saloon FR 5M 1998 cm3 125 PS 123 bhp 92 kW 1115 kg
4 door sedan/​saloon FR 3A 1998 cm3 125 PS 123 bhp 92 kW 1130 kg
4 door sedan/​saloon FR 5M 1998 cm3 130 PS 128 bhp 95 kW 1190 kg
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4 door sedan/​saloon FR 5M 1998 cm3 125 PS 123 bhp 92 kW 1150 kg
4 door sedan/​saloon FR 5M 1998 cm3 130 PS 128 bhp 95 kW 1220 kg
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4 door sedan/​saloon FR 3A 1952 cm3 120 PS 118 bhp 88 kW 1090 kg
4 door sedan/​saloon FF 5M 1796 cm3 117 PS 115 bhp 86 kW 1070 kg
5 door sedan/​saloon FF 3A 1796 cm3 117 PS 115 bhp 86 kW
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4 door sedan/​saloon FR 4M 2490 cm3 132 PS 130 bhp 97 kW 1289 kg
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4 door sedan/​saloon FR 4A 1988 cm3 125 PS 123 bhp 92 kW 1220 kg
4 door sedan/​saloon FR 5M 1988 cm3 125 PS 123 bhp 92 kW 1220 kg
4 door sedan/​saloon FR 4A 1988 cm3 125 PS 123 bhp 92 kW 1230 kg
4 door sedan/​saloon FR 5M 1988 cm3 125 PS 123 bhp 92 kW 1170 kg
4 door sedan/​saloon FR 4A 1988 cm3 125 PS 123 bhp 92 kW 1175 kg
4 door sedan/​saloon FR 5M 1988 cm3 125 PS 123 bhp 92 kW 1180 kg
4 door sedan/​saloon FR 4A 1988 cm3 125 PS 123 bhp 92 kW 1185 kg
4 door sedan/​saloon FR 5M 1988 cm3 125 PS 123 bhp 92 kW 1130 kg
4 door sedan/​saloon FR 4A 1988 cm3 125 PS 123 bhp 92 kW 1135 kg
4 door sedan/​saloon FR 5M 1988 cm3 125 PS 123 bhp 92 kW 1135 kg
4 door sedan/​saloon FR 4A 1988 cm3 125 PS 123 bhp 92 kW 1140 kg
2 door sedan/​saloon FR 5M 1588 cm3 115 PS 113.5 bhp 85 kW 955 kg
4 door sedan/​saloon FR 5M 1587 cm3 130 PS 128 bhp 95 kW 1090 kg
4 door sedan/​saloon FR 5M 1988 cm3 125 PS 123 bhp 92 kW 1225 kg
4 door sedan/​saloon FR 4A 1988 cm3 125 PS 123 bhp 92 kW 1230 kg
4 door sedan/​saloon FR 5M 1988 cm3 125 PS 123 bhp 92 kW 1220 kg
4 door sedan/​saloon FR 4A 1988 cm3 125 PS 123 bhp 92 kW 1225 kg
4 door sedan/​saloon FR 4M 1988 cm3 125 PS 123 bhp 92 kW 1115 kg
4 door sedan/​saloon FR 5M 1988 cm3 125 PS 123 bhp 92 kW 1120 kg
4 door sedan/​saloon FR 4A 1988 cm3 125 PS 123 bhp 92 kW 1125 kg
4 door sedan/​saloon FR 4M 1988 cm3 125 PS 123 bhp 92 kW 1120 kg
4 door sedan/​saloon FR 5M 1988 cm3 125 PS 123 bhp 92 kW 1125 kg
4 door sedan/​saloon FR 4A 1988 cm3 125 PS 123 bhp 92 kW 1130 kg
4 door sedan/​saloon FR 5M 1988 cm3 125 PS 123 bhp 92 kW 1145 kg
4 door sedan/​saloon FR 4A 1988 cm3 125 PS 123 bhp 92 kW 1150 kg
4 door sedan/​saloon FR 5M 1988 cm3 125 PS 123 bhp 92 kW 1150 kg
4 door sedan/​saloon FR 4A 1988 cm3 125 PS 123 bhp 92 kW 1155 kg
4 door sedan/​saloon FR 5M 1988 cm3 125 PS 123 bhp 92 kW 1170 kg
4 door sedan/​saloon FR 4A 1988 cm3 125 PS 123 bhp 92 kW 1175 kg
4 door sedan/​saloon FR 5M 1988 cm3 125 PS 123 bhp 92 kW 1180 kg
4 door sedan/​saloon FR 4A 1988 cm3 125 PS 123 bhp 92 kW 1185 kg
4 door sedan/​saloon FR 5M 1988 cm3 125 PS 123 bhp 92 kW 1120 kg
4 door sedan/​saloon FR 5M 1988 cm3 125 PS 123 bhp 92 kW 1205 kg
4 door sedan/​saloon FR 5M 1988 cm3 125 PS 123 bhp 92 kW 1170 kg
4 door sedan/​saloon FR 4M 1988 cm3 112 PS 110 bhp 82 kW 1350 kg
2 door sedan/​saloon FR 4M 1988 cm3 112 PS 110 bhp 82 kW 1365 kg
4 door sedan/​saloon FR 5M 1988 cm3 112 PS 110 bhp 82 kW 1420 kg
4 door sedan/​saloon FR 5M 1588 cm3 115 PS 113.5 bhp 85 kW 955 kg
4 door sedan/​saloon FR 4M 2490 cm3 116 PS 114 bhp 85 kW 1230 kg
4 door sedan/​saloon FF 5M 1994 cm3 115 PS 113.5 bhp 85 kW 1085 kg
4 door sedan/​saloon FF 3A 1994 cm3 115 PS 113.5 bhp 85 kW
1981 BMW 520 data
Applicable to the South African domestic market(s).
bodywork
Body type4/5 seater sedan/saloon
Number of doors4
DesignerPaul Bracq
dimensions & weights
mminches
Wheelbase 2636 mm 103.8 inches
Track/tread (front) 1422 mm 56 inches
Track/tread (rear) 1466 mm 57.7 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 1310 kg 2888 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 6
Capacity 2 litre
1991 cc
(121.498 cu in)
Bore × Stroke 80 × 66 mm
3.15 × 2.6 in
Bore/stroke ratio 1.21
Valve gear single overhead camshaft (SOHC)
2 valves per cylinder
12 valves in total
maximum power output
(DIN)
122 PS (120.5 bhp) (90 kW)
at 6000 rpm
Specific output
(DIN)
60.5 bhp/litre
0.99 bhp/cu in
maximum torque
(DIN)
160 Nm (118 ft·lb) (16.3 kgm)
at 4000 rpm
Specific torque
(DIN)
80.36 Nm/litre
0.97 ft·lb/cu3
Engine construction
sump wet sumped
compression ratio 9.2:1
Fuel system 1 Solex 4A1 carburettor
bmep (brake mean effective pressure) 1009.9 kPa (146.5 psi)
Maximum RPM
crankshaft bearings 7
Engine coolant Water
Unitary capacity 331.83 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h 12.4 s
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre 33.6 s
Maximum speed 180 km/h (112 mph)
Power-to-weight ratio 93.26 PS/tonne (1000 kg)
68.59 kW/tonne (1000 kg)
91.98 bhp/tonne (1000 kg)
0.04 bhp/lb
Weight-to-power ratio 14.58 kg/kW
24.35 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
Turning circle
Front suspension
Rear suspension
Wheel size front 5½J x 14 H2
Wheel size rear 5½J x 14 H2
Tyres front 175 R 14 88S
Tyres rear 175 R 14 88S
Brakes F/R Di/Dr-S
Front brake diameter 280 mm
Rear brake diameter 250 mm
Braked area
Gearbox 5 speed manual
Top gear ratio 0.81
Final drive ratio 3.90
general
Carfolio.com ID271249
Production total
Model code
Model family E12
RAC rating 23.8
Insurance classification No information available
Tax band No information available
1981 BMW 520 added 2012-05-22.
Last modified 2013-02-28.