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Soft, strong and very long. Image by Mark Nichol.

Soft, strong and very long
The Z4 was always long, but this time around BMW has made it softer on the backside yet altogether stronger.

   


Reviews homepage -> BMW reviews -> 2009 BMW Z4 -> sDrive23i technical specifications

 
Performance, emissions & economy

Top speed (mph): 151
0-62 mph (seconds): 6.6

Urban mpg: 22.8
Extra urban mpg: 45.6
Combined mpg: 33.2
CO2 (g/km): 199


Dimensions & weights

Length (mm): 4239
Height (mm): 1291
Width (mm): 1790
Wheelbase (mm): 2496
Cargo volume (litres): 180
Gross weight (kg): 1735
Kerb weight (kg): 1480
Fuel tank capacity (litres): 55


 
Engine & transmission

Engine: Inline six-cylinder naturally aspirated petrol engine mounted longitudinally in front.

Management: Emissions controlled to EUV levels.

Cubic capacity (cc): 2497
Compression ratio: 11.00:1
Bore x stroke (mm): 82.00 x 78.80
Max. power (bhp): 201 at 6400 rpm
Max. torque (lb.ft): 184 at 2750 rpm

Transmission: Six-speed manual gearbox. Rear-wheel drive.


 
Chassis & running gear

Front: Two-joint spring strut axle with displaced caster; small positive steering roll radius; compensation of lateral forces; anti-dive.

Rear: Independent; centrally guided axle; separate springs and dampers; anti-squat and anti-dive.

Steering: Electric power-assisted rack and pinion.

Turning circle diameter (m): 10.70

Brakes: Vented disc brakes all round. Front: 300 x 24mm. Rear: 300 x 20mm. ABS, DSC, DTC, ADB.

Wheels: 8J x 17-inch alloys.

Tyres: 225/45 R17 91W RSC.







 

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