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BMW 320si

(2005 model)

Brief specs of 2005 BMW 320si

4-door 5-seater sedan (saloon), petrol (gasoline) 4-cylinder 16-valve straight (inline) engine, DOHC (double overhead camshafts, twin cam), 1997 cm3 / 121.9 cu in / 121.9 cu in, 127.5 kW / 171.0 hp / 171.0 hp @ 7000 rpm / 7000 rpm / 7000 rpm, 200.0 N·m / 147.5 lb·ft / 147.5 lb·ft @ 4250 rpm / 4250 rpm / 4250 rpm, manual 6-speed transmission, rear wheel drive, 225 km/h / 140 mph / 140 mph top speed

units: metric UK US

Basic (general) data

Marque (make)BMWIssued from2005
Model320siIssued until
Serie3Number made2600
Model familyE90Body construction
Model codeBody designation
ManufacturerBMWCountryDE,ZA

Bodywork

Base platformNumber of doors4
Bodywork typesedan (saloon)Number of seats5
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length4520 mm / 178.0 in / 178.0 inTotal (curb) weight1350 kg / 2976 lb / 2976 lb
Width1817 mm / 71.5 in / 71.5 inDry weight
Height1421 mm / 55.9 in / 55.9 inLoad capacity
Wheelbase2760 mm / 108.7 in / 108.7 inGross (max.) weight
Track front1500 mm / 59.1 in / 59.1 inTowing weight
Track rear1513 mm / 59.6 in / 59.6 inWeight distribution (front)
Ground clearanceFuel capacity
Length/wheelbase ratio1.64  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.19 m2 / 23.6 sq ft / 23.6 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeTotal number of cylinders4
Engine Typestraight (inline) Total number of valves16
Engine ManufacturerBMWValves per cylinder4
Engine constructionBore85.0 mm / 3.35 in / 3.35 in
Fuelpetrol (gasoline)Stroke88.0 mm / 3.46 in / 3.46 in
Fuel detailsBore/Stroke ratio0.97
Fuel supplyEngine displacement1997 cm3 / 121.9 cu in / 121.9 cu in
Engine Main bearingsUnitary capacity499.25 cm3/cylinder / 30.466 cu in/cylinder / 30.466 cu in/cylinder
Cam DesignDOHC (double overhead camshafts, twin cam)Compression ratio11.0 : 1
SumpwetMax. output power127.5 kW / 171.0 hp / 171.0 hp at 7000 rpm / 7000 rpm / 7000 rpm
AspirationnaturalMax. torque200.0 N·m / 147.5 lb·ft / 147.5 lb·ft at 4250 rpm / 4250 rpm / 4250 rpm
Compressor typeN/AMaximum rpm7300 rpm / 7300 rpm / 7300 rpm
IntercoolernoMax. net output (power at the wheels)58.3 kW / 78.2 hp / 78.2 hp (est.)
CoolantwaterSpecific output63.9 kW/l / 1.403 bhp/cu in / 1.403 bhp/cu in
Catalytic converteryesSpecific torque100.2 N·m/l / 0.88 lb·ft/cu in / 0.88 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears6
Wheel driverear wheel driveTop gear (drive) ratio
  Final gear (drive) ratio4.1

Performance

Acceleration 0-50 mph (80 km/h)6.10 s / 6.10 s / 6.10 sTop (maximal) speed225 km/h / 140 mph / 140 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio126.7 kW/ton / 96.0 bhp/ton / 96.0 bhp/ton
Acceleration 0-100 km/h8.70 s / 8.70 s / 8.70 sFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)22.80 s / 22.80 s / 22.80 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 time CO2 emissions214 g/km / 344 g/mi / 344 g/mi
  Range

Chassis

Engine locationfrontEngine alignmentlongitudinal
SteeringSteering details
Turns lock-to-lockTurning circle
Suspension frontSuspension rear
Wheels front8J x 18Wheels rear8.5J x 18
Tyres front225/40 R 18Tyres rear255/35 R 18
Brakes frontventilated discBrakes rearventilated disc
Brake diameter front300 mm / 11.8 in / 11.8 inBrake diameter rear300 mm / 11.8 in / 11.8 in
Brakes detailsservo-assisted, ABS (anti-lock braking system)Braked area

Technical specifications and performance data of BMW 320si

Infobox

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