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BMW Z4

(2003 model)

Brief specs of 2003 BMW Z4

2-door convertible (cabriolet), petrol (gasoline) 6-cylinder 24-valve straight (inline) engine, DOHC (double overhead camshafts, twin cam), 2999 cm3 / 183.0 cu in / 183.0 cu in, 169.0 kW / 226.6 hp / 226.6 hp @ 6000 rpm / 6000 rpm / 6000 rpm, 291.2 N·m / 214.8 lb·ft / 214.8 lb·ft @ 3500 rpm / 3500 rpm / 3500 rpm, manual 6-speed transmission, rear wheel drive

units: metric UK US

Basic (general) data

Marque (make)BMWIssued from2003
ModelZ4Issued until
SerieZ4Number made
Model familyBody construction
Model codeBody designation
ManufacturerBMWCountryDE,ZA

Bodywork

Base platformNumber of doors2
Bodywork typeconvertible (cabriolet)Number of seats
Bodywork designerCargo capacity (volume)
Passenger space (volume)4440 l / 156.80 cu ft / 156.80 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length4100 mm / 161.4 in / 161.4 inTotal (curb) weight1290 kg / 2844 lb / 2844 lb
Width1790 mm / 70.5 in / 70.5 inDry weight
Height1310 mm / 51.6 in / 51.6 inLoad capacity
Wheelbase2500 mm / 98.4 in / 98.4 inGross (max.) weight
Track frontTowing weight
Track rearWeight distribution (front)
Ground clearance120 mm / 4.7 in / 4.7 inFuel capacity55 l / 12.1 UK gal / 14.5 US gal
Length/wheelbase ratio1.64  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)0.4Frontal area (A)1.99 m2 / 21.5 sq ft / 21.5 sq ft (est.)
Aerodynamic coefficient (Cd×A)0.80 m2 / 8.6 sq ft / 8.6 sq ft (est.)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)19.8 kW / 26.6 hp / 26.6 hp (est.)

Engine

Engine CodeTotal number of cylinders6
Engine Typestraight (inline) (Inline, 6 cylinder)Total number of valves24
Engine ManufacturerValves per cylinder4
Engine constructionBore84.0 mm / 3.31 in / 3.31 in
Fuelpetrol (gasoline)Stroke90.0 mm / 3.54 in / 3.54 in
Fuel detailsBore/Stroke ratio0.93
Fuel supplyInjectionEngine displacement2999 cm3 / 183.0 cu in / 183.0 cu in
Engine Main bearingsUnitary capacity498.76 cm3/cylinder / 30.436 cu in/cylinder / 30.436 cu in/cylinder
Cam DesignDOHC (double overhead camshafts, twin cam)Compression ratio
SumpwetMax. output power169.0 kW / 226.6 hp / 226.6 hp at 6000 rpm / 6000 rpm / 6000 rpm
AspirationMax. torque291.2 N·m / 214.8 lb·ft / 214.8 lb·ft at 3500 rpm / 3500 rpm / 3500 rpm
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)67.6 kW / 90.7 hp / 90.7 hp (est.)
CoolantwaterSpecific output56.4 kW/l / 1.238 bhp/cu in / 1.238 bhp/cu in
Catalytic converterSpecific torque97.1 N·m/l / 0.85 lb·ft/cu in / 0.85 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears6
Wheel driverear 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 ratio178.4 kW/ton / 135.2 bhp/ton / 135.2 bhp/ton
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 frontTyres rear
Brakes frontventilated discBrakes rearventilated disc
Brake diameter frontBrake diameter rear
Brakes detailsABS (anti-lock braking system)Braked area

Technical specifications and performance data of BMW Z4

Infobox

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