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BMW Z3 Roadster M (US)
BMW Z3 Roadster M (US) (1998)
BMW Z4 Roadster (E85) 2.5si
BMW Z4 Roadster (E85) 2.5si (2006)
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Engine Technical Data
Engine type - Number of cylinders
Inline 6
Inline 6
Engine Code
S52B32
Fuel type
Petrol
Petrol
Fuel System
Bosch Motronic DME
MPI
Engine Alignment
Longitudinal
Longitudinal
Engine Position
Front
Engine displacement
192.3 cu-in / 3152 cm3
152.4 cu-in / 2497 cm3
Bore
3.4 inches
86.4 mm
3.23 inches
82.0 mm
Stroke
3.53 inches
89.6 mm
3.1 inches
78.8 mm
Number of valves
24
24
Aspiration
N/A
N/A
Compression Ratio
10.5
11.0
Horsepower
237 HP / 240 PS / 177 kW @ 6000 rpm
215 HP / 218 PS / 160 kW @ 6500 rpm
Maximum torque
236 lb-ft / 320 Nm @ 3800 rpm
184 lb-ft / 250 Nm @ 2750 - 4250 rpm
Drive wheels - Traction - Drivetrain
RWD
RWD
Transmission Gearbox - Number of speeds
5
6
Clutch Type
Manual
Manual
Size, Dimensions, Aerodynamics and Weight
Body
Roadster
Num. of Doors
2
2
Num. of Seats
2
2
Wheelbase
96.81 inches / 245.9 cm
98.43 inches / 250.0 cm
Length
158.46 inches / 402.5 cm
161.02 inches / 409.0 cm
Width
68.5 inches / 174 cm
70.08 inches / 178.0 cm
Height
50.39 inches / 128 cm
51.18 inches / 130.0 cm
Aerodynamic drag coefficient - Cx
0.42
0.36
Front Brakes - Disc dimensions
Vented Discs (12.4 inches / 315 mm)
Vented Discs (11.81 inches / 300 mm)
Rear Brakes - Disc dimensions
Vented Discs (12.28 inches / 312 mm)
Discs (11.57 inches / 294 mm)
Front Tyres - Rims dimensions
225/45 R17
225/50 R16
Rear Tyres - Rims dimensions
225/45 R17
225/50 R16
Curb Weight
3086 lbs / 1400 kg
2778 lbs / 1260 kg
Weight/Power Output Ratio
5.83 Kg/hp
5.78 Kg/hp
Trunk / Boot capacity
5.8 cu-ft / 165 L
- cu-ft / 240-260 L
Front Suspension
MacPherson struts lower wishbones coil springs and Anti-roll bar
Independent. MacPherson. Coil Springs. Anti-roll bar.
Rear Suspension
Semi-trailing arms coil springs and Anti-roll bar
Independent transverse arms. coil springs
Top Speed
155 Mph / 250 km/h
149 Mph / 240 km/h
Acceleration 0 to 100 km/h (0 to 62 mph)
5.5 s
6.5 s
Acceleration 0 to 1000m
26.5 s
Fuel Consumption (Economy), Emissions and Range
Fuel Consumption - Economy - Highway
26 MPG
9.1 L/100 km
31 MPG UK
Fuel Consumption - Economy - City
19 MPG
12.3 L/100 km
23 MPG UK
Fuel Consumption - Economy - City NEDC
20 MPG
12 L/100 km
24 MPG UK
Fuel Consumption - Economy - Open road NEDC
37 MPG
6.3 L/100 km
45 MPG UK
Fuel Consumption - Economy - Combined NEDC
28 MPG
8.4 L/100 km
34 MPG UK
Fuel Tank Capacity
13.5 gallons
51 L
11.2 UK gallons
14.5 gallons
55 L
12.1 UK gallons
CO2 emissions
202 g/Km (BMW)
Safety
Euro NCAP



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