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BMW 2.5 CS

(1974 model)

Brief specs of 1974 BMW 2.5 CS

2-door 2+2-seater fixed-head coupé, petrol (gasoline) 6-cylinder 12-valve straight (inline) engine, SOHC (single overhead camshaft), 2495 cm3 / 152.3 cu in / 152.3 cu in, 110.4 kW / 148.0 hp / 148.0 hp @ 6000 rpm / 6000 rpm / 6000 rpm, 211.0 N·m / 155.6 lb·ft / 155.6 lb·ft @ 3700 rpm / 3700 rpm / 3700 rpm, manual 4-speed transmission, rear wheel drive, 200 km/h / 124 mph / 124 mph top speed

units: metric UK US

Basic (general) data

Marque (make)BMWIssued from1974
Model2.5 CSIssued until
Serie2Number made
Model familyE9Body construction
Model codeBody designation
ManufacturerBMWCountryDE,ZA

Bodywork

Base platformNumber of doors2
Bodywork typefixed-head coupéNumber of seats2+2
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length4660 mm / 183.5 in / 183.5 inTotal (curb) weight1400 kg / 3086 lb / 3086 lb
Width1670 mm / 65.7 in / 65.7 inDry weight
Height1370 mm / 53.9 in / 53.9 inLoad capacity
Wheelbase2625 mm / 103.3 in / 103.3 inGross (max.) weight
Track front1446 mm / 56.9 in / 56.9 inTowing weight
Track rear1398 mm / 55.0 in / 55.0 inWeight distribution (front)
Ground clearanceFuel capacity
Length/wheelbase ratio1.78  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)1.94 m2 / 20.9 sq ft / 20.9 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) Total number of valves12
Engine ManufacturerBMWValves per cylinder2
Engine constructionBore86.0 mm / 3.39 in / 3.39 in
Fuelpetrol (gasoline)Stroke71.6 mm / 2.82 in / 2.82 in
Fuel detailsBore/Stroke ratio1.2
Fuel supply2 Zenith 35/40 INAT carburettorsEngine displacement2495 cm3 / 152.3 cu in / 152.3 cu in
Engine Main bearings7Unitary capacity415.83 cm3/cylinder / 25.376 cu in/cylinder / 25.376 cu in/cylinder
Cam DesignSOHC (single overhead camshaft)Compression ratio9.0 : 1
SumpwetMax. output power110.4 kW / 148.0 hp / 148.0 hp at 6000 rpm / 6000 rpm / 6000 rpm
AspirationnaturalMax. torque211.0 N·m / 155.6 lb·ft / 155.6 lb·ft at 3700 rpm / 3700 rpm / 3700 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)53.1 kW / 71.3 hp / 71.3 hp (est.)
CoolantwaterSpecific output44.2 kW/l / 0.972 bhp/cu in / 0.972 bhp/cu in
Catalytic converternoSpecific torque84.6 N·m/l / 0.74 lb·ft/cu in / 0.74 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears4
Wheel driverear wheel driveTop gear (drive) ratio
  Final gear (drive) ratio

Performance

Acceleration 0-50 mph (80 km/h)6.60 s / 6.60 s / 6.60 sTop (maximal) speed200 km/h / 124 mph / 124 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio105.7 kW/ton / 80.1 bhp/ton / 80.1 bhp/ton
Acceleration 0-100 km/h9.90 s / 9.90 s / 9.90 sFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)26.80 s / 26.80 s / 26.80 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 time31.00 s / 31.00 s / 31.00 s CO2 emissions
  Range

Chassis

Engine locationfrontEngine alignmentlongitudinal
SteeringSteering details
Turns lock-to-lockTurning circle
Suspension frontIndependent, MacPherson strut, Coil springs, Anti-roll (anti-sway) bar (ARB)Suspension rearIndependent, Semi-trailing link, Coil springs
Wheels frontWheels rear
Tyres front175 HR 14Tyres rear175 HR 14
Brakes frontdiscBrakes reardisc
Brake diameter frontBrake diameter rear
Brakes detailsservo-assistedBraked area

Technical specifications and performance data of BMW 2.5 CS

Infobox

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