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| General Information |
| Make |
BMW |
| Model |
520i |
| Production Year |
1975 |
| Country |
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| Designer |
Paul Bracq |
| Production Number |
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| Model Code |
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| Model Family |
E12 |
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| Chassis and Dimensions |
| Chassis Type |
4/5S SAL |
| Number of Doors |
4 |
| Wheelbase |
2636 mm (103,8 in) |
| Front Track |
1406 mm (55,4 in) |
| Rear Track |
1442 mm (56,8 in) |
| Length |
4620 mm (181,9 in) |
| Width |
1690 mm (66,5 in) |
| Height |
1425 mm (56,1 in) |
| Ground Clearance |
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| Length / Wheelbase Ratio |
1,75 |
| Weight |
1295 kg (2852,4 lb) |
| Weight Distribution (front/rear) |
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| Fuel Capacity |
70 litre (15,4 Imp gal , 18,5 US gal) |
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| Aerodynamics |
| Drag Coefficient |
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| Frontal Area |
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| Cx |
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| Engine Specifications |
| Engine Manufacturer |
BMW |
| Engine Location |
Front |
| Engine Alignment |
Longitudinal |
| Engine Construction |
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| Coolant Type |
Water |
| Engine Type |
SOHC |
| Number of Cylinders and Placement |
S-4 |
| Valves per Cylinder |
2 (Total of 8 Pieces) |
| Engine Displacement |
1991 cc (121,5 cu in) |
| Bore |
89 mm (3,5 in) |
| Stroke |
80 mm (3,15 in) |
| Bore / Stroke Ratio |
1,11 |
| Unitary Capacity |
497,75 cc/cylinder (30,37 cu in/cylinder) |
| Number of Main Bearings |
5 |
| Compression Ratio |
9,3 : 1 |
| Fuel System Type |
Bo K-Jet fuel inj. |
| Aspiration Type |
Normal |
| Compressor Type |
- |
| Intercooler Type |
None |
| Catalytic Converter |
No |
| Maximum Engine Power |
123 HP (91,7 kW) |
| Maximum Engine Power rpm |
5700 d/d |
| Maximum Engine Torque |
172 N.m (126,9 lb.ft , 17,5 kg.m) |
| Maximum Engine Torque rpm |
4350 d/d |
| Engine Torque at Max. Engine Power rpm |
153,7 N.m (5700 d/d) |
| Power / Weight Ratio |
95 HP/ton (70,8 W/kg) |
| Power / Engine Displacement Ratio |
61,8 HP/litre (46,1 kW/litre) |
| CO2 Emissions |
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| Fuel Consumption |
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| Performance |
| 0 - 80 km/h |
7,4 s |
| 0 - 60 mph |
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| 0 - 100 km/h |
12 s |
| 0 - 160 km/h |
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| 80 - 120 km/h (in top gear) |
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| 0 - 400 m Acceleration |
17,6 s |
| 0 - 1000 m Acceleration |
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| Top Speed |
180 km/h (111,9 mph) |
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| Gearbox and Transmission |
| Transmission Type |
4M |
| Top Gear Ratio |
1 : 1 |
| Final Drive Ratio |
3,9 : 1 |
| Drive Wheels |
RWD (Rear Wheel Drive) |
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| Handling, Suspension Geometry and Brakes |
| Steering Type |
worm & roller |
| Steering Turns (lock to lock) |
4,3 |
| Turning Circle Diameter |
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| Suspension (front) |
I.MS.CS.ARB. |
| Suspension (rear) |
I.TA.CS.ARB. |
| Brakes (front/rear) |
Di/Dr-S |
| Brake Disc Diameter (front) |
272 mm |
| Brake Disc Diameter (rear) |
250 mm |
| Wheels (front) |
5.5J x 14 H2 |
| Wheels (rear) |
5.5J x 14 H2 |
| Tyres (front) |
175 HR 14 |
| Tyres (rear) |
175 HR 14 |
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