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BMW Z4 2.5i Roadster Automatic

(2007 model)

Brief specs of 2007 BMW Z4 2.5i Roadster Automatic

2-door 2-seater convertible (cabriolet), petrol (gasoline) 6-cylinder 24-valve straight (inline) engine, DOHC (double overhead camshafts, twin cam), 2492 cm3 / 152.1 cu in / 152.1 cu in, 141.0 kW / 189.1 hp / 189.1 hp @ 6000 rpm / 6000 rpm / 6000 rpm, 245.0 N·m / 180.7 lb·ft / 180.7 lb·ft @ 3500 rpm / 3500 rpm / 3500 rpm, automatic 6-speed transmission, rear wheel drive, 235 km/h / 146 mph / 146 mph top speed, consumption 9.0 l/100km / 31.4 mpg-UK / 26.1 mpg-US

units: metric UK US

Basic (general) data

Marque (make)BMWIssued from2007
ModelZ4 2.5i Roadster AutomaticIssued until
SerieZ4Number made
Model familyBody construction
Model codeBody designation
ManufacturerBMWCountryDE,ZA

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)4130 l / 145.85 cu ft / 145.85 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) weight1335 kg / 2943 lb / 2943 lb
Width1790 mm / 70.5 in / 70.5 inDry weight
Height1310 mm / 51.6 in / 51.6 inLoad capacity225 kg / 496 lb / 496 lb
Wheelbase2500 mm / 98.4 in / 98.4 inGross (max.) weight1560 kg / 3439 lb / 3439 lb
Track frontTowing weight1750 kg / 3858 lb / 3858 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 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)Stroke75.0 mm / 2.95 in / 2.95 in
Fuel detailsunleaded 98Bore/Stroke ratio1.12
Fuel supplyInjectionEngine displacement2492 cm3 / 152.1 cu in / 152.1 cu in
Engine Main bearingsUnitary capacity415.63 cm3/cylinder / 25.363 cu in/cylinder / 25.363 cu in/cylinder
Cam DesignDOHC (double overhead camshafts, twin cam)Compression ratio11.0 : 1
SumpwetMax. output power141.0 kW / 189.1 hp / 189.1 hp at 6000 rpm / 6000 rpm / 6000 rpm
AspirationMax. torque245.0 N·m / 180.7 lb·ft / 180.7 lb·ft at 3500 rpm / 3500 rpm / 3500 rpm
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)56.4 kW / 75.6 hp / 75.6 hp (est.)
CoolantwaterSpecific output56.6 kW/l / 1.243 bhp/cu in / 1.243 bhp/cu in
Catalytic converterSpecific torque98.3 N·m/l / 0.86 lb·ft/cu in / 0.86 lb·ft/cu in

Transmission

Transmission typeautomaticNumber of gears6
Wheel driverear wheel driveTop gear (drive) ratio
  Final gear (drive) ratio

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed235 km/h / 146 mph / 146 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio143.8 kW/ton / 109.0 bhp/ton / 109.0 bhp/ton
Acceleration 0-100 km/hFuel consumption, City (urban)11.8 l/100km / 23.9 mpg-UK / 19.9 mpg-US
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)8.4 l/100km / 33.6 mpg-UK / 28.0 mpg-US
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)9.0 l/100km / 31.4 mpg-UK / 26.1 mpg-US
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions194 g/km / 312 g/mi / 312 g/mi
  Range611 km / 380 mi / 380 mi

Chassis

Engine locationfrontEngine alignmentlongitudinal
SteeringSteering details
Turns lock-to-lockTurning circle11.0 m / 36.1 ft / 36.1 ft
Suspension frontSuspension rear
Wheels frontWheels rear
Tyres front225/50-R16Tyres rear225/50-R16
Brakes frontBrakes rear
Brake diameter frontBrake diameter rear
Brakes detailsABS (anti-lock braking system)Braked area

Technical specifications and performance data of BMW Z4 2.5i Roadster Automatic

Infobox

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