BMW 518, 1981 MY E12

This automobile has a 4 door saloon (sedan) type body designed by Paul Bracq with a front mounted engine delivering power to the rear wheels. The BMW 518 belongs to the E12 model family from BMW. It is powered by a naturally aspirated engine of 1.8 litre capacity. This powerplant features single overhead camshaft valve gear, 4 cylinder layout, and 2 valves per cylinder. It has an output of 89 bhp (90 PS/66 kW) of power at 5500 rpm, and maximum torque of 140 N·m (103 lb·ft/14.3 kgm) at 4000 rpm. A 5 speed manual transmission transmits the power to the driven wheels. With a claimed kerb weight of 1240 kg, the BMW 518 covers the 0-100 km/h sprint in 14.8 seconds and the kilometre from rest in 36.1 seconds. The BMW 518 is claimed to achieve a top speed of 160 km/h or 99 mph.

Pictures

Key facts

BMW 518, 1981 MY E12 information summary

What body style?
4 door sedan/saloon with 4/5 seats
How long?
4620 mm
How heavy?
1240 kg
What size engine?
1.8 litre, 1766 cm3
How many cylinders?
4, Straight
How much power?
90 PS / 89 bhp / 66 kW @ 5500 rpm
How much torque?
140 Nm / 103 ft.lb / 14.3 kgm @ 4000 rpm
How quick?
0-100 km/h: 14.8 s
How fast?
160 km/h, 99 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 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 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 FF 3A 1592 cm3 88 PS 87 bhp 65 kW 1096 kg
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4 door sedan/​saloon FR 3A 1588 cm3 88 PS 87 bhp 65 kW 995 kg
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4 door sedan/​saloon FR 4M 1588 cm3 88 PS 87 bhp 65 kW 985 kg
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4 door sedan/​saloon FR 4M 1770 cm3 95 PS 94 bhp 70 kW 1010 kg
4 door sedan/​saloon FR 3A 1770 cm3 95 PS 94 bhp 70 kW 1025 kg
4 door sedan/​saloon FR 4M 1770 cm3 96 PS 95 bhp 71 kW 1055 kg
4 door sedan/​saloon FR 4M 1770 cm3 95 PS 94 bhp 70 kW 1055 kg
4 door sedan/​saloon FR 4M 1770 cm3 95 PS 94 bhp 70 kW 1065 kg
4 door sedan/​saloon FR 3A 1770 cm3 95 PS 94 bhp 70 kW 1070 kg
4 door sedan/​saloon FR 4M 1770 cm3 95 PS 94 bhp 70 kW 1070 kg
4 door sedan/​saloon FR 3A 1770 cm3 95 PS 94 bhp 70 kW 1075 kg
5 door sedan/​saloon FR 5M 1770 cm3 87 PS 86 bhp 64 kW 1084 kg
5 door sedan/​saloon FR 3A 1770 cm3 87 PS 86 bhp 64 kW 1084 kg
4 door sedan/​saloon FR 4M 1770 cm3 95 PS 94 bhp 70 kW 1055 kg
4 door sedan/​saloon FR 4M 1770 cm3 95 PS 94 bhp 70 kW 1065 kg
4 door sedan/​saloon FR 3A 1770 cm3 95 PS 94 bhp 70 kW 1070 kg
4 door sedan/​saloon FR 4M 1770 cm3 95 PS 94 bhp 70 kW 1070 kg
4 door sedan/​saloon FR 3A 1770 cm3 95 PS 94 bhp 70 kW 1075 kg
4 door sedan/​saloon FR 4M 1770 cm3 95 PS 94 bhp 70 kW 1055 kg
4 door sedan/​saloon FR 4M 1770 cm3 86 PS 85 bhp 63 kW 1044 kg
4 door sedan/​saloon FR 4M 1770 cm3 95 PS 94 bhp 70 kW 1065 kg
4 door sedan/​saloon FR 3A 1770 cm3 95 PS 94 bhp 70 kW
4 door sedan/​saloon FR 4M 1770 cm3 95 PS 94 bhp 70 kW 1095 kg
4 door sedan/​saloon FR 3A 1770 cm3 95 PS 94 bhp 70 kW
4 door sedan/​saloon FR 4M 1770 cm3 96 PS 95 bhp 71 kW 1065 kg
1981 BMW 518 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) 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 1240 kg 2734 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 1.8 litre
1766 cc
(107.768 cu in)
Bore × Stroke 88.9 × 71.12 mm
3.5 × 2.8 in
Bore/stroke ratio 1.25
Valve gear single overhead camshaft (SOHC)
2 valves per cylinder
8 valves in total
maximum power output
(DIN)
90 PS (89 bhp) (66 kW)
at 5500 rpm
Specific output
(DIN)
50.4 bhp/litre
0.83 bhp/cu in
maximum torque
(DIN)
140 Nm (103 ft·lb) (14.3 kgm)
at 4000 rpm
Specific torque
(DIN)
79.28 Nm/litre
0.96 ft·lb/cu3
Engine construction
sump wet sumped
compression ratio 9.5:1
Fuel system 1 Solex 2B4 carburettor
bmep (brake mean effective pressure) 996.2 kPa (144.5 psi)
Maximum RPM
crankshaft bearings 5
Engine coolant Water
Unitary capacity 441.5 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h 14.8 s
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre 36.1 s
Maximum speed 160 km/h (99 mph)
Power-to-weight ratio 72.77 PS/tonne (1000 kg)
53.52 kW/tonne (1000 kg)
71.77 bhp/tonne (1000 kg)
0.03 bhp/lb
Weight-to-power ratio 18.68 kg/kW
31.21 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 4.27
general
Carfolio.com ID271337
Production total
Model code
Model family E12
RAC rating 19.6
Insurance classification No information available
Tax band No information available
1981 BMW 518 added 2012-05-22.
Last modified 2013-02-28.