This 645Ci MT (329 hp) engine was fitted in the E63/E64 Cabriolet, which was produced by BMW from 2003 to 2007. In addition to this engine, 9 other engines were also available for this body — their technical data and fuel economy are accessible by clicking the body name at the top of the page.
| City fuel consumption per 100 km | 15.7litre |
|---|---|
| Highway fuel consumption per 100 km | 10.2litre |
| Mixed fuel consumption per 100 km | 13.1litre |
| Fuel tank capacity | 70litre |
| Cruising range | from 450 to 690km |
| Fuel | 98 RON |
| Displacement | 4398cm3 |
|---|---|
| Engine power | 329bhp |
| RPM at max power | to 6 100RPM |
| Maximum torque | 477Nm |
| RPM at max torque | 3600RPM |
| Engine type | Gasoline |
| Cylinder layout | V-type |
| Injection type | Multi-point injection |
| Number of cylinders | 8 |
| Valves per cylinder | 4 |
| Bore | 92mm |
| Stroke | 82.7mm |
| Gearbox | Manual |
|---|---|
| Number of gears | 6 |
| Drive wheels | Rear-wheel drive |
| Turning circle | 11.4m |
| Seats | 4 |
|---|---|
| Length | 4831mm |
| Width | 1855mm |
| Height | 1373mm |
| Wheelbase | 2780mm |
| Front track | 1558mm |
| Rear track | 1592mm |
| Kerb weight | 1895kg |
| Gross weight | 2250kg |
| Displacement | 355kg |
| Min. boot capacity | 300litre |
| Max. boot capacity | 350litre |
| Body type | Cabriolet |
| Front suspension | Independent, Lever, Dampers, Spring, Stabilizer bar |
|---|---|
| Rear suspension | Independent, Multi wishbone, Spring, Stabilizer bar |
| Front brakes | Ventilated disc |
| Rear brakes | Ventilated disc |
| City | 18.8 litres / 100km |
|---|---|
| Highway | 12.2 litres / 100km |
| Average | 15.7 litres / 100km |
Estimated from official figures. Actual consumption varies by driving style and conditions.