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BMW 320i

(1983 model)

Brief specs of 1983 BMW 320i

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, 91.7 kW / 123.0 hp / 123.0 hp @ 5800 rpm / 5800 rpm / 5800 rpm, 170.0 N·m / 125.4 lb·ft / 125.4 lb·ft @ 4000 rpm / 4000 rpm / 4000 rpm, manual 5-speed transmission, rear wheel drive, 200 km/h / 124 mph / 124 mph top speed

units: metric UK US

Basic (general) data

Marque (make)BMWIssued from1983
Model320iIssued until
Serie3Number made
Model familyE30Body construction
Model codeBody designation
ManufacturerBMWCountryDE,ZA

Bodywork

Base platformNumber of doors4
Bodywork typesedan (saloon)Number of seats5
Bodywork designerCargo capacity (volume)
Passenger space (volume)4450 l / 157.15 cu ft / 157.15 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length4325 mm / 170.3 in / 170.3 inTotal (curb) weight1050 kg / 2315 lb / 2315 lb
Width1645 mm / 64.8 in / 64.8 inDry weight
Height1380 mm / 54.3 in / 54.3 inLoad capacity
Wheelbase2570 mm / 101.2 in / 101.2 inGross (max.) weight
Track front1407 mm / 55.4 in / 55.4 inTowing weight
Track rear1415 mm / 55.7 in / 55.7 inWeight distribution (front)54.8 % / 54.8 % / 54.8 %
Ground clearance140 mm / 5.5 in / 5.5 inFuel capacity55 l / 12.1 UK gal / 14.5 US gal
Length/wheelbase ratio1.68  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)0.39Frontal area (A)1.88 m2 / 20.2 sq ft / 20.2 sq ft
Aerodynamic coefficient (Cd×A)0.73 m2 / 7.9 sq ft / 7.9 sq ftAerodynamic resistance (Aero horse power) at 100 km/h (62 mph)18.1 kW / 24.3 hp / 24.3 hp

Engine

Engine CodeTotal number of cylinders6
Engine Typestraight (inline) (Inline, 6 cylinder)Total number of valves12
Engine ManufacturerBMWValves per cylinder2
Engine constructioncast iron block; light alloy headBore80.0 mm / 3.15 in / 3.15 in
Fuelpetrol (gasoline)Stroke66.0 mm / 2.60 in / 2.60 in
Fuel detailsBore/Stroke ratio1.21
Fuel supplyBo L-Jet 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 ratio9.8 : 1
SumpwetMax. output power91.7 kW / 123.0 hp / 123.0 hp at 5800 rpm / 5800 rpm / 5800 rpm
AspirationnaturalMax. torque170.0 N·m / 125.4 lb·ft / 125.4 lb·ft at 4000 rpm / 4000 rpm / 4000 rpm
Compressor typeN/AMaximum rpm6400 rpm / 6400 rpm / 6400 rpm
IntercoolernoMax. net output (power at the wheels)49.0 kW / 65.7 hp / 65.7 hp (est.)
CoolantwaterSpecific output46.1 kW/l / 1.012 bhp/cu in / 1.012 bhp/cu in
Catalytic converternoSpecific torque85.4 N·m/l / 0.75 lb·ft/cu in / 0.75 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears5
Wheel driverear wheel driveTop gear (drive) ratio0.81
  Final gear (drive) ratio3.45

Performance

Acceleration 0-50 mph (80 km/h)6.80 s / 6.80 s / 6.80 sTop (maximal) speed200 km/h / 124 mph / 124 mph
Acceleration 0-60 mph (97 km/h)9.50 s / 9.50 s / 9.50 sPower-to-weight ratio117.1 kW/ton / 88.8 bhp/ton / 88.8 bhp/ton
Acceleration 0-100 km/h9.80 s / 9.80 s / 9.80 sFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)31.30 s / 31.30 s / 31.30 sFuel 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
Steeringrack & pinionSteering details
Turns lock-to-lock4.05Turning circle
Suspension frontIndependent, MacPherson strut, Coil springs, Lower wishbone, Lower trailing link, Anti-roll (anti-sway) bar (ARB)Suspension rearIndependent, Semi-trailing arm, Coil springs
Wheels front5.5 x 14Wheels rear5.5 x 14
Tyres front195/60 HR 14Tyres rear195/60 HR 14
Brakes frontventilated discBrakes reardrum
Brake diameter front255 mm / 10.0 in / 10.0 inBrake diameter rear
Brakes detailsservo-assisted, ABS (anti-lock braking system)Braked area

Technical specifications and performance data of BMW 320i

Infobox

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