| Common information: |
| Model: | BMW Z4 Roadster 2.5i |
| Produced by | BMW |
| Year begin | 2004 |
| Car category | Sport cars |
| Country of origin car | Germany |
| Chassis type | Cabriolet |
| Drive | Rear tire dimensions |
| Car dimensions: |
| Car overall length: | 4100 mm |
| Car overall width | 1790 mm |
| Car overall height | 1300 mm |
| Passenger space | 4130 l |
| Wheelbase | 2500 mm |
| Turn circle | 11 mm |
| Seats | 2 |
| Max no. of doors | 2 |
| Car weight | 1296 kg |
| Car max weight with load | 1566 kg |
| Leg room front | 1070 mm |
| Engine/fuel: |
| engine size | 2494 cm3 |
| Engine type | Inline 6 cylinder |
| Engine location | Front longitudinal |
| Valves per cylinder | 4 |
| Bore x stroke | 84.0 x 75.0 mm (3.3 x 3.0 inches) |
| Compression | 11.0:1 |
| Fuel control | Double overhead cam (DOHC) |
| Fuel system | Injection |
| Fuel type | Gasoline unleaded 98 |
| Fuel city driving | 11.8 l |
| Fuel highway driving | 8.4 l |
| Fuel mixed driving | 10.2 l |
| Fuel_capacity | 55 l |
| Speed / acceleration / power: |
| Top speed | 235 km/h |
| Max. power | 139.9496 kW 6000 ot (187.6 l.s.) |
| Power weight ratio | 0.1084684 kW/kg |
| Max. torque | 245 Nm/ 3500 ot |
| Cost |
| Cost | 33670 USD |
| Cost | 707070 Kč |
| Brakes, suspension, cooling system: |
| Front brakes | Ventilated disks |
| Rear brakes | Disks |
| Brake details | Antiblocking system (ABS) |
| Gearbox | 6-speed automatic or 6-speed manual |
| Transmission | 6-speed automatic or 6-speed manual |
| Other: |
| Front tire dimensions | 205/55-R16 |
| Rear tire dimensions | 205/55-R16 |