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BMW 730i

(1986 model)

Brief specs of 1986 BMW 730i

4-door 5-seater sedan (saloon), petrol (gasoline) 6-cylinder 12-valve straight (inline) engine, SOHC (single overhead camshaft), 2986 cm3 / 182.2 cu in / 182.2 cu in, 146.9 kW / 197.0 hp / 197.0 hp @ 5800 rpm / 5800 rpm / 5800 rpm, 275.0 N·m / 202.8 lb·ft / 202.8 lb·ft @ 4000 rpm / 4000 rpm / 4000 rpm, manual 5-speed transmission, rear wheel drive, 225 km/h / 140 mph / 140 mph top speed

units: metric UK US

Basic (general) data

Marque (make)BMWIssued from1986
Model730iIssued until
Serie7Number made
Model familyE32Body construction
Model codeBody designation
ManufacturerBMWCountryDE

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

Length4910 mm / 193.3 in / 193.3 inTotal (curb) weight1600 kg / 3527 lb / 3527 lb
Width1845 mm / 72.6 in / 72.6 inDry weight
Height1411 mm / 55.6 in / 55.6 inLoad capacity
Wheelbase2832 mm / 111.5 in / 111.5 inGross (max.) weight
Track front1527 mm / 60.1 in / 60.1 inTowing weight
Track rear1549 mm / 61.0 in / 61.0 inWeight distribution (front)
Ground clearanceFuel capacity
Length/wheelbase ratio1.73  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)0.32Frontal area (A)2.09 m2 / 22.5 sq ft / 22.5 sq ft
Aerodynamic coefficient (Cd×A)0.67 m2 / 7.2 sq ft / 7.2 sq ftAerodynamic resistance (Aero horse power) at 100 km/h (62 mph)16.7 kW / 22.3 hp / 22.3 hp

Engine

Engine CodeTotal number of cylinders6
Engine Typestraight (inline) (Inline, 6 cylinder)Total number of valves12
Engine ManufacturerBMWValves per cylinder2
Engine constructionBore89.0 mm / 3.50 in / 3.50 in
Fuelpetrol (gasoline)Stroke80.0 mm / 3.15 in / 3.15 in
Fuel detailsBore/Stroke ratio1.11
Fuel supplyBo Mot fuel inj.Engine displacement2986 cm3 / 182.2 cu in / 182.2 cu in
Engine Main bearings7Unitary capacity497.67 cm3/cylinder / 30.370 cu in/cylinder / 30.370 cu in/cylinder
Cam DesignSOHC (single overhead camshaft)Compression ratio9.2 : 1
SumpMax. output power146.9 kW / 197.0 hp / 197.0 hp at 5800 rpm / 5800 rpm / 5800 rpm
AspirationnaturalMax. torque275.0 N·m / 202.8 lb·ft / 202.8 lb·ft at 4000 rpm / 4000 rpm / 4000 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)73.9 kW / 99.0 hp / 99.0 hp (est.)
CoolantwaterSpecific output49.2 kW/l / 1.081 bhp/cu in / 1.081 bhp/cu in
Catalytic converterSpecific torque92.1 N·m/l / 0.81 lb·ft/cu in / 0.81 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears5
Wheel driverear wheel driveTop gear (drive) ratio0.81
  Final gear (drive) ratio3.64

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed225 km/h / 140 mph / 140 mph
Acceleration 0-60 mph (97 km/h)8.30 s / 8.30 s / 8.30 sPower-to-weight ratio123.1 kW/ton / 93.3 bhp/ton / 93.3 bhp/ton
Acceleration 0-100 km/h9.30 s / 9.30 s / 9.30 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 circle12.0 m / 39.4 ft / 39.4 ft
Suspension frontIndependent, Coil springs, Anti-roll (anti-sway) bar (ARB)Suspension rearIndependent,Tr Links, Coil springs, Anti-roll (anti-sway) bar (ARB)
Wheels frontWheels rear
Tyres front205/55-VR16Tyres rear245/50-ZR17
Brakes frontBrakes rear
Brake diameter frontBrake diameter rear
Brakes detailsABS (anti-lock braking system)Braked area

Technical specifications and performance data of BMW 730i

Infobox

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