1975 BMW 520i E12

The BMW 520i is a saloon (sedan) designed by Paul Bracq with 4 doors and a front mounted engine which delivers its power to the rear wheels. The BMW 520i belongs to the E12 range of cars from BMW. Powering the BMW 520i is a single overhead camshaft, 2 litre naturally aspirated 4 cylinder motor, with 2 valves per cylinder that produces power and torque figures of 123 bhp (125 PS/92 kW) at 5700 rpm and 172 N·m (127 lb·ft/17.5 kgm) at 4350 rpm respectively. A 4 speed manual 'box supplies the power to the driven wheels. Its stated kerb weight is 1295 kg. Maximum speed claimed is 180 km/h (112 mph).

Pictures

Key facts

1975 BMW 520i E12 information summary

What body style?
4 door sedan/saloon with 4/5 seats
How long?
4620 mm
How heavy?
1295 kg
What size engine?
2 litre, 1991 cm3
How many cylinders?
4, Straight
How much power?
125 PS / 123 bhp / 92 kW @ 5700 rpm
How much torque?
172 Nm / 127 ft.lb / 17.5 kgm @ 4350 rpm
How quick?
0-100 km/h: 12 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 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 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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1975 BMW 520i 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 1295 kg 2855 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
(DIN)
125 PS (123 bhp) (92 kW)
at 5700 rpm
Specific output
(DIN)
61.8 bhp/litre
1.01 bhp/cu in
maximum torque
(DIN)
172 Nm (127 ft·lb) (17.5 kgm)
at 4350 rpm
Specific torque
(DIN)
86.39 Nm/litre
1.04 ft·lb/cu3
Engine construction
sump wet sumped
compression ratio 9.3:1
Fuel system Bosch K-Jetronic fuel injection
bmep (brake mean effective pressure) 1085.6 kPa (157.5 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) 7.4 s
Acceleration 0-60mph
Acceleration 0-100km/h 12 s
Acceleration 0-160km/h (100mph)
Standing quarter-mile 17.6 s
Standing kilometre
Maximum speed 180 km/h (112 mph)
Power-to-weight ratio 96.3 PS/tonne (1000 kg)
70.83 kW/tonne (1000 kg)
94.98 bhp/tonne (1000 kg)
0.04 bhp/lb
Weight-to-power ratio 14.12 kg/kW
23.58 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.ARB.
Wheel size front 5½J x 14 H2
Wheel size rear 5½J x 14 H2
Tyres front 175 HR 14
Tyres rear 175 HR 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 3.90
general
Carfolio.com ID119339
Production total
Model code
Model family E12
RAC rating 19.6
Insurance classification No information available
Tax band No information available
1975 BMW 520i added 2004-03-23.
Last modified 2013-02-28.