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BMW 3.0 Si

(1974 model)

Brief specs of 1974 BMW 3.0 Si

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, 149.1 kW / 199.9 hp / 199.9 hp @ 5500 rpm / 5500 rpm / 5500 rpm, 270.0 N·m / 199.1 lb·ft / 199.1 lb·ft @ 4300 rpm / 4300 rpm / 4300 rpm, manual 4-speed transmission, rear wheel drive, 214 km/h / 133 mph / 133 mph top speed

units: metric UK US

Basic (general) data

Marque (make)BMWIssued from1974
Model3.0 SiIssued until
Serie3Number made
Model familyBody 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

Length4710 mm / 185.4 in / 185.4 inTotal (curb) weight1433 kg / 3159 lb / 3159 lb
Width1750 mm / 68.9 in / 68.9 inDry weight
Height1450 mm / 57.1 in / 57.1 inLoad capacity
Wheelbase2690 mm / 105.9 in / 105.9 inGross (max.) weight
Track frontTowing weight
Track rearWeight distribution (front)
Ground clearance150 mm / 5.9 in / 5.9 inFuel capacity
Length/wheelbase ratio1.75  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.16 m2 / 23.2 sq ft / 23.2 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

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 fuel inj.Engine displacement2986 cm3 / 182.2 cu in / 182.2 cu in
Engine Main bearingsUnitary capacity497.67 cm3/cylinder / 30.370 cu in/cylinder / 30.370 cu in/cylinder
Cam DesignSOHC (single overhead camshaft)Compression ratio9.5 : 1
SumpMax. output power149.1 kW / 199.9 hp / 199.9 hp at 5500 rpm / 5500 rpm / 5500 rpm
AspirationnaturalMax. torque270.0 N·m / 199.1 lb·ft / 199.1 lb·ft at 4300 rpm / 4300 rpm / 4300 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)63.6 kW / 85.4 hp / 85.4 hp (est.)
CoolantwaterSpecific output49.9 kW/l / 1.097 bhp/cu in / 1.097 bhp/cu in
Catalytic converternoSpecific torque90.4 N·m/l / 0.79 lb·ft/cu in / 0.79 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears4
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio3.45

Performance

Acceleration 0-50 mph (80 km/h)5.90 s / 5.90 s / 5.90 sTop (maximal) speed214 km/h / 133 mph / 133 mph
Acceleration 0-60 mph (97 km/h)7.90 s / 7.90 s / 7.90 sPower-to-weight ratio139.6 kW/ton / 105.7 bhp/ton / 105.7 bhp/ton
Acceleration 0-100 km/h8.50 s / 8.50 s / 8.50 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, Coil springsSuspension rearIndependent, Coil springs
Wheels frontWheels rear
Tyres front155/80-HR14Tyres rear185/70-R13
Brakes frontBrakes rear
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of BMW 3.0 Si

Infobox

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