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BMW 520i

(1988 model)

Brief specs of 1988 BMW 520i

4-door 5-seater sedan (saloon), petrol (gasoline) 6-cylinder 12-valve straight (inline) engine, SOHC (single overhead camshaft), 1991 cm3 / 121.5 cu in / 121.5 cu in, 96.2 kW / 129.0 hp / 129.0 hp @ 6000 rpm / 6000 rpm / 6000 rpm, 174.0 N·m / 128.3 lb·ft / 128.3 lb·ft @ 4000 rpm / 4000 rpm / 4000 rpm, manual 5-speed transmission, rear wheel drive, 206 km/h / 128 mph / 128 mph top speed

units: metric UK US

Basic (general) data

Marque (make)BMWIssued from1988
Model520iIssued until
Serie5Number made
Model familyE34Body construction
Model codeBody designation
ManufacturerBMWCountryDE,ZA

Bodywork

Base platformNumber of doors4
Bodywork typesedan (saloon)Number of seats5
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length4719 mm / 185.8 in / 185.8 inTotal (curb) weight1540 kg / 3395 lb / 3395 lb
Width1750 mm / 68.9 in / 68.9 inDry weight
Height1412 mm / 55.6 in / 55.6 inLoad capacity
Wheelbase2760 mm / 108.7 in / 108.7 inGross (max.) weight
Track front1470 mm / 57.9 in / 57.9 inTowing weight
Track rear1495 mm / 58.9 in / 58.9 inWeight distribution (front)50.0 % / 50.0 % / 50.0 %
Ground clearanceFuel capacity
Length/wheelbase ratio1.71  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)0.3Frontal area (A)2.07 m2 / 22.3 sq ft / 22.3 sq ft
Aerodynamic coefficient (Cd×A)0.62 m2 / 6.7 sq ft / 6.7 sq ftAerodynamic resistance (Aero horse power) at 100 km/h (62 mph)15.4 kW / 20.7 hp / 20.7 hp

Engine

Engine CodeTotal number of cylinders6
Engine Typestraight (inline) Total number of valves12
Engine ManufacturerBMWValves per cylinder2
Engine constructionBore80.0 mm / 3.15 in / 3.15 in
Fuelpetrol (gasoline)Stroke66.0 mm / 2.60 in / 2.60 in
Fuel detailsBore/Stroke ratio1.21
Fuel supplyBosch DME 3 fuel inj.Engine displacement1991 cm3 / 121.5 cu in / 121.5 cu in
Engine Main bearings7Unitary capacity331.83 cm3/cylinder / 20.250 cu in/cylinder / 20.250 cu in/cylinder
Cam DesignSOHC (single overhead camshaft)Compression ratio10.5 : 1
SumpMax. output power96.2 kW / 129.0 hp / 129.0 hp at 6000 rpm / 6000 rpm / 6000 rpm
AspirationnaturalMax. torque174.0 N·m / 128.3 lb·ft / 128.3 lb·ft at 4000 rpm / 4000 rpm / 4000 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)58.7 kW / 78.7 hp / 78.7 hp (est.)
CoolantwaterSpecific output48.3 kW/l / 1.062 bhp/cu in / 1.062 bhp/cu in
Catalytic converteryesSpecific torque87.4 N·m/l / 0.76 lb·ft/cu in / 0.76 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears5
Wheel driverear wheel driveTop gear (drive) ratio0.81
  Final gear (drive) ratio4.27

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed206 km/h / 128 mph / 128 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio83.8 kW/ton / 63.5 bhp/ton / 63.5 bhp/ton
Acceleration 0-100 km/h11.40 s / 11.40 s / 11.40 sFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions
  Range

Chassis

Engine locationfrontEngine alignmentlongitudinal
SteeringSteering details
Turns lock-to-lockTurning circle
Suspension frontIndependent, Anti-roll (anti-sway) bar (ARB)Suspension rearIndependent, Semi-trailing arm, Trailing arm, Coil springs, Anti-roll (anti-sway) bar (ARB)
Wheels frontWheels rear
Tyres frontTyres rear
Brakes frontventilated discBrakes rearventilated disc
Brake diameter frontBrake diameter rear
Brakes detailsservo-assisted, ABS (anti-lock braking system)Braked area

Technical specifications and performance data of BMW 520i

Infobox

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(...)

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