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BMW Z4 2.5i

(2006 model)

Brief specs of 2006 BMW Z4 2.5i

2-door 2-seater convertible (cabriolet), petrol (gasoline) 6-cylinder 24-valve straight (inline) engine, DOHC (double overhead camshafts, twin cam), 2494 cm3 / 152.2 cu in / 152.2 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, manual 5-speed transmission, rear wheel drive, 235 km/h / 146 mph / 146 mph top speed, consumption 8.9 l/100km / 31.7 mpg-UK / 26.4 mpg-US

units: metric UK US

Basic (general) data

Marque (make)BMWIssued from2006
ModelZ4 2.5iIssued 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)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 capacity
Wheelbase2500 mm / 98.4 in / 98.4 inGross (max.) weight
Track frontTowing weight1400 kg / 3086 lb / 3086 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 detailsBore/Stroke ratio1.12
Fuel supplyInjectionEngine displacement2494 cm3 / 152.2 cu in / 152.2 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 ratio10.2 : 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 output56.5 kW/l / 1.242 bhp/cu in / 1.242 bhp/cu in
Catalytic converterSpecific torque98.2 N·m/l / 0.86 lb·ft/cu in / 0.86 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears5
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)
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)8.9 l/100km / 31.7 mpg-UK / 26.4 mpg-US
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions192 g/km / 309 g/mi / 309 g/mi
  Range618 km / 384 mi / 384 mi

Chassis

Engine locationfrontEngine alignmentlongitudinal
SteeringSteering detailsPower assisted steering.
Turns lock-to-lockTurning circle11.0 m / 36.1 ft / 36.1 ft
Suspension frontSuspension rear
Wheels frontWheels rear
Tyres front225/45R17Tyres rear225/45R17
Brakes frontdiscBrakes reardisc
Brake diameter frontBrake diameter rear
Brakes detailsABS (anti-lock braking system)Braked area

Technical specifications and performance data of BMW Z4 2.5i

Infobox

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