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BMW M Roadster 3.2 (321 HP)

(1997 model)

Brief specs of 1997 BMW M Roadster 3.2 (321 HP)

2-door 2-seater convertible (cabriolet), petrol (gasoline) 6-cylinder 24-valve straight (inline) engine, DOHC (double overhead camshafts, twin cam), 3201 cm3 / 195.3 cu in / 195.3 cu in, 236.0 kW / 316.5 hp / 316.5 hp @ 7400 rpm / 7400 rpm / 7400 rpm, 350.0 N·m / 258.1 lb·ft / 258.1 lb·ft @ 3250 rpm / 3250 rpm / 3250 rpm

units: metric UK US

Basic (general) data

Marque (make)BMWIssued from1997
ModelM Roadster 3.2 (321 HP)Issued until0
SerieMNumber made
Model familyBody constructionmonocoque
Model codeBody designationE36/7S
ManufacturerBMWCountryDE,ZA

Bodywork

Base platformE36Number of doors2
Bodywork typeconvertible (cabriolet)Number of seats2
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length4025 mm / 158.5 in / 158.5 inTotal (curb) weight1350 kg / 2976 lb / 2976 lb
Width1740 mm / 68.5 in / 68.5 inDry weight
Height1266 mm / 49.8 in / 49.8 inLoad capacity
Wheelbase2458 mm / 96.8 in / 96.8 inGross (max.) weight
Track front1422 mm / 56.0 in / 56.0 inTowing weight
Track rear1492 mm / 58.7 in / 58.7 inWeight distribution (front)
Ground clearance110 mm / 4.3 in / 4.3 inFuel capacity
Length/wheelbase ratio1.6375101708706  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)1.87 m2 / 20.2 sq ft / 20.2 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) Total number of valves24
Engine ManufacturerValves per cylinder4
Engine constructionBore86.4 mm / 3.40 in / 3.40 in
Fuelpetrol (gasoline)Stroke91.0 mm / 3.58 in / 3.58 in
Fuel detailsBore/Stroke ratio0.94945054945055
Fuel supplyMultipoint InjectionEngine displacement3201 cm3 / 195.3 cu in / 195.3 cu in
Engine Main bearingsUnitary capacity533.53 cm3/cylinder / 32.558 cu in/cylinder / 32.558 cu in/cylinder
Cam DesignDOHC (double overhead camshafts, twin cam)Compression ratio11.3 : 1
SumpMax. output power236.0 kW / 316.5 hp / 316.5 hp at 7400 rpm / 7400 rpm / 7400 rpm
AspirationnaturalMax. torque350.0 N·m / 258.1 lb·ft / 258.1 lb·ft at 3250 rpm / 3250 rpm / 3250 rpm
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)94.4 kW / 126.6 hp / 126.6 hp (est.)
CoolantSpecific output73.7 kW/l / 1.620 bhp/cu in / 1.620 bhp/cu in
Catalytic converterSpecific torque109.3 N·m/l / 0.96 lb·ft/cu in / 0.96 lb·ft/cu in

Transmission

Transmission typeNumber of gears
Wheel driveTop gear (drive) ratio
  Final gear (drive) ratio

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio
Acceleration 0-100 km/hFuel 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 frontSuspension rear
Wheels frontWheels rear
Tyres front245/40 R17Tyres rear245/40 R17
Brakes frontventilated discBrakes rearventilated disc
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of BMW M Roadster 3.2 (321 HP)

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