BMW Z4 2.5i Roadster Automatic (2006) convertible (cabriolet) - technical specifications of 2006 BMW Z4 2.5i Roadster Automatic

BMW Z4 2.5i Roadster Automatic

(2006 model)

Brief specs of 2006 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

Marque (make)	BMW	Issued from	2006
Model	Z4 2.5i Roadster Automatic	Issued until
Serie	Z4	Number made
Model family		Body construction
Model code		Body designation
Manufacturer	BMW	Country	DE,ZA

Marque (make)

BMW

Issued from

2006

Model

Z4 2.5i Roadster Automatic

Issued until

Serie

Number made

Model family

Body construction

Model code

Body designation

Manufacturer

BMW

Country

DE,ZA

Base platform		Number of doors	2
Bodywork type	convertible (cabriolet)	Number of seats	2
Bodywork designer		Cargo capacity (volume)	260 l / 9.18 cu ft / 9.18 cu ft
Passenger space (volume)	4130 l / 145.85 cu ft / 145.85 cu ft	Max. cargo capacity (volume)	260 l / 9.18 cu ft / 9.18 cu ft

Base platform

Number of doors

Bodywork type

convertible (cabriolet)

Number of seats

Bodywork designer

Cargo capacity (volume)

260 l / 9.18 cu ft / 9.18 cu ft

Passenger space (volume)

4130 l / 145.85 cu ft / 145.85 cu ft

Max. cargo capacity (volume)

260 l / 9.18 cu ft / 9.18 cu ft

Length	4100 mm / 161.4 in / 161.4 in	Total (curb) weight	1335 kg / 2943 lb / 2943 lb
Width	1790 mm / 70.5 in / 70.5 in	Dry weight
Height	1310 mm / 51.6 in / 51.6 in	Load capacity	225 kg / 496 lb / 496 lb
Wheelbase	2500 mm / 98.4 in / 98.4 in	Gross (max.) weight	1560 kg / 3439 lb / 3439 lb
Track front		Towing weight	1300 kg / 2866 lb / 2866 lb
Track rear		Weight distribution (front)
Ground clearance		Fuel capacity	55 l / 12.1 UK gal / 14.5 US gal
Length/wheelbase ratio	1.64

Length

4100 mm / 161.4 in / 161.4 in

Total (curb) weight

1335 kg / 2943 lb / 2943 lb

Width

1790 mm / 70.5 in / 70.5 in

Dry weight

Height

1310 mm / 51.6 in / 51.6 in

Load capacity

225 kg / 496 lb / 496 lb

Wheelbase

2500 mm / 98.4 in / 98.4 in

Gross (max.) weight

1560 kg / 3439 lb / 3439 lb

Track front

Towing weight

1300 kg / 2866 lb / 2866 lb

Track rear

Weight distribution (front)

Ground clearance

Fuel capacity

55 l / 12.1 UK gal / 14.5 US gal

Length/wheelbase ratio

1.64

Drag coefficient (Cd, Cx, Cw)	0.3	Frontal 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.)

Drag coefficient (Cd, Cx, Cw)

0.3

Frontal 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 Code		Total number of cylinders	6
Engine Type	straight (inline) (Inline, 6 cylinder)	Total number of valves	24
Engine Manufacturer		Valves per cylinder	4
Engine construction		Bore	84.0 mm / 3.31 in / 3.31 in
Fuel	petrol (gasoline)	Stroke	75.0 mm / 2.95 in / 2.95 in
Fuel details	unleaded 98	Bore/Stroke ratio	1.12
Fuel supply	Injection	Engine displacement	2492 cm³ / 152.1 cu in / 152.1 cu in
Engine Main bearings		Unitary capacity	415.63 cm³/cylinder / 25.363 cu in/cylinder / 25.363 cu in/cylinder
Cam Design	DOHC (double overhead camshafts, twin cam)	Compression ratio	11.0 : 1
Sump	wet	Max. output power	141.0 kW / 189.1 hp / 189.1 hp at 6000 rpm / 6000 rpm / 6000 rpm
Aspiration		Max. torque	245.0 N·m / 180.7 lb·ft / 180.7 lb·ft at 3500 rpm / 3500 rpm / 3500 rpm
Compressor type		Maximum rpm
Intercooler		Max. net output (power at the wheels)	56.4 kW / 75.6 hp / 75.6 hp (est.)
Coolant	water	Specific output	56.6 kW/l / 1.243 bhp/cu in / 1.243 bhp/cu in
Catalytic converter		Specific torque	98.3 N·m/l / 0.86 lb·ft/cu in / 0.86 lb·ft/cu in

Engine Code

Total number of cylinders

Engine Type

straight (inline) (Inline, 6 cylinder)

Total number of valves

Engine Manufacturer

Valves per cylinder

Engine construction

Bore

84.0 mm / 3.31 in / 3.31 in

Fuel

petrol (gasoline)

Stroke

75.0 mm / 2.95 in / 2.95 in

Fuel details

unleaded 98

Bore/Stroke ratio

1.12

Fuel supply

Injection

Engine displacement

2492 cm³ / 152.1 cu in / 152.1 cu in

Engine Main bearings

Unitary capacity

415.63 cm³/cylinder / 25.363 cu in/cylinder / 25.363 cu in/cylinder

Cam Design

DOHC (double overhead camshafts, twin cam)

Compression ratio

11.0 : 1

Sump

wet

Max. output power

141.0 kW / 189.1 hp / 189.1 hp at 6000 rpm / 6000 rpm / 6000 rpm

Aspiration

Max. torque

245.0 N·m / 180.7 lb·ft / 180.7 lb·ft at 3500 rpm / 3500 rpm / 3500 rpm

Compressor type

Maximum rpm

Intercooler

Max. net output (power at the wheels)

56.4 kW / 75.6 hp / 75.6 hp (est.)

Coolant

water

Specific output

56.6 kW/l / 1.243 bhp/cu in / 1.243 bhp/cu in

Catalytic converter

Specific torque

98.3 N·m/l / 0.86 lb·ft/cu in / 0.86 lb·ft/cu in

Transmission type	automatic	Number of gears	6
Wheel drive	rear wheel drive	Top gear (drive) ratio
		Final gear (drive) ratio

Transmission type

automatic

Number of gears

Wheel drive

rear wheel drive

Top gear (drive) ratio

Final gear (drive) ratio

Acceleration 0-50 mph (80 km/h)	Top (maximal) speed	235 km/h / 146 mph / 146 mph
Acceleration 0-60 mph (97 km/h)	Power-to-weight ratio	143.8 kW/ton / 109.0 bhp/ton / 109.0 bhp/ton
Acceleration 0-100 km/h	Fuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)	Fuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in top	Fuel 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 emissions	276 g/km / 444 g/mi / 444 g/mi
	Range	611 km / 380 mi / 380 mi

Acceleration 0-50 mph (80 km/h)

Top (maximal) speed

235 km/h / 146 mph / 146 mph

Acceleration 0-60 mph (97 km/h)

Power-to-weight ratio

143.8 kW/ton / 109.0 bhp/ton / 109.0 bhp/ton

Acceleration 0-100 km/h

Fuel consumption, City (urban)

Acceleration 0-100 mph (160 km/h)

Fuel consumption, Road (extra-urban)

Acceleration 80-120 km/h (50-70 mph) in top

Fuel 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 emissions

276 g/km / 444 g/mi / 444 g/mi

Range

611 km / 380 mi / 380 mi

Engine location	front	Engine alignment	longitudinal
Steering		Steering details
Turns lock-to-lock		Turning circle	11.0 m / 36.1 ft / 36.1 ft
Suspension front		Suspension rear
Wheels front		Wheels rear
Tyres front	225/50R16V	Tyres rear	225/50R16V
Brakes front		Brakes rear
Brake diameter front		Brake diameter rear
Brakes details	ABS (anti-lock braking system)	Braked area

Engine location

front

Engine alignment

longitudinal

Steering

Steering details

Turns lock-to-lock

Turning circle

11.0 m / 36.1 ft / 36.1 ft

Suspension front

Suspension rear

Wheels front

Wheels rear

Tyres front

225/50R16V

Tyres rear

225/50R16V

Brakes front

Brakes rear

Brake diameter front

Brake diameter rear

Brakes details

ABS (anti-lock braking system)

Braked area

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