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BMW Z4 2.0i Roadster

(2006 model)

Brief specs of 2006 BMW Z4 2.0i Roadster

2-door 2-seater convertible (cabriolet), petrol (gasoline) 4-cylinder 16-valve straight (inline) engine, DOHC (double overhead camshafts, twin cam), 1995 cm3 / 121.7 cu in / 121.7 cu in, 110.0 kW / 147.5 hp / 147.5 hp @ 6200 rpm / 6200 rpm / 6200 rpm, 200.0 N·m / 147.5 lb·ft / 147.5 lb·ft @ 3600 rpm / 3600 rpm / 3600 rpm, manual 6-speed transmission, rear wheel drive, 220 km/h / 137 mph / 137 mph top speed, consumption 7.5 l/100km / 37.7 mpg-UK / 31.4 mpg-US

units: metric UK US

Basic (general) data

Marque (make)BMWIssued from2006
ModelZ4 2.0i RoadsterIssued until
SerieZ4Number made
Model familyBody construction
Model codeBody designation
ManufacturerBMWCountryDE

Bodywork

Base platformNumber of doors2
Bodywork typeconvertible (cabriolet)Number of seats2
Bodywork designerCargo capacity (volume)260 l / 9.18 cu ft / 9.18 cu ft
Passenger space (volume)4870 l / 171.98 cu ft / 171.98 cu ftMax. cargo capacity (volume)260 l / 9.18 cu ft / 9.18 cu ft

Dimensions & Weight

Length4100 mm / 161.4 in / 161.4 inTotal (curb) weight1326 kg / 2923 lb / 2923 lb
Width1790 mm / 70.5 in / 70.5 inDry weight
Height1310 mm / 51.6 in / 51.6 inLoad capacity228 kg / 503 lb / 503 lb
Wheelbase2500 mm / 98.4 in / 98.4 inGross (max.) weight1554 kg / 3426 lb / 3426 lb
Track frontTowing weight2004 kg / 4418 lb / 4418 lb
Track rearWeight distribution (front)
Ground clearanceFuel capacity55 l / 12.1 UK gal / 14.5 US gal
Length/wheelbase ratio1.64  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)0.3Frontal area (A)1.99 m2 / 21.5 sq ft / 21.5 sq ft (est.)
Aerodynamic coefficient (Cd×A)0.60 m2 / 6.4 sq ft / 6.4 sq ft (est.)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)14.9 kW / 19.9 hp / 19.9 hp (est.)

Engine

Engine CodeTotal number of cylinders4
Engine Typestraight (inline) (Inline, 4 cylinder)Total number of valves16
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 detailsunleaded 98Bore/Stroke ratio0.93
Fuel supplyInjectionEngine displacement1995 cm3 / 121.7 cu in / 121.7 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 ratio10.5 : 1
SumpwetMax. output power110.0 kW / 147.5 hp / 147.5 hp at 6200 rpm / 6200 rpm / 6200 rpm
AspirationMax. torque200.0 N·m / 147.5 lb·ft / 147.5 lb·ft at 3600 rpm / 3600 rpm / 3600 rpm
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)44.0 kW / 59.0 hp / 59.0 hp (est.)
CoolantwaterSpecific output55.1 kW/l / 1.212 bhp/cu in / 1.212 bhp/cu in
Catalytic converterSpecific torque100.3 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) ratio

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed220 km/h / 137 mph / 137 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio113.2 kW/ton / 85.8 bhp/ton / 85.8 bhp/ton
Acceleration 0-100 km/hFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)5.6 l/100km / 50.4 mpg-UK / 42.0 mpg-US
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)7.5 l/100km / 37.7 mpg-UK / 31.4 mpg-US
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions181 g/km / 291 g/mi / 291 g/mi
  Range733 km / 456 mi / 456 mi

Chassis

Engine locationfrontEngine alignmentlongitudinal
SteeringSteering detailsTraction control. Electronic stabilisation program (ESP).
Turns lock-to-lockTurning circle11.0 m / 36.1 ft / 36.1 ft
Suspension frontSuspension rear
Wheels frontWheels rear
Tyres front205/55R16VTyres rear205/55R16V
Brakes frontventilated discBrakes reardisc
Brake diameter frontBrake diameter rear
Brakes detailsABS (anti-lock braking system)Braked area

Technical specifications and performance data of BMW Z4 2.0i Roadster

Infobox

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