| Attribute | Value |
| General |
| Make | Alpina |
| Model | B3 |
| Generation | B3 Cabrio (E46) |
| Modification | 3.3 i 24V B3S Automatic |
| Website | https://www.alpina-automobiles.com/en/ |
| Number of doors | 2 |
| Number of seats | 4 |
| Body type | Cabriolet |
| Transmission | automatic |
| Number of gears | 5 |
| Production from | 2003 year |
| Production to | 2006 year |
| Performance |
| Top speed | 259 km/h |
| Acceleration 0-100 km/h | 6.6 s |
| City consumption | 18.2 l/100km |
| Extra-urban consumption | 8.1 l/100km |
| Combined consumption | 18.2 l/100km |
| CO2 emissions | Add |
| Emission standard | Add |
| Drive |
| Drive | Rear wheel drive |
| Engine type | Add |
| Position of engine | Front,ongitudinal |
| Fuel | Petrol (Gasoline) |
| Max. power | 305 hp |
| Max. torque | 362 Nm |
| Fuel Engine |
| Number of cylinders | 6 |
| Cylinders arrangement | Inline |
| Valves per cylinder | 4 |
| Engine displacement | 3,346 cm³ |
| Compression ratio | 10.2 |
| Max. power @ rpm | 6,300 rpm |
| Max. torque @ rpm | 4,800 rpm |
| Cylinder bore | 87 mm |
| Piston stroke | 93.8 mm |
| Fuel system | Multi-point injection |
| Valve control | Dohc |
| Turbine | Add |
| Catalyst | Add |
| Fuel tank | 63 l |
| Engine oil capacity | Add |
| Coolant capacity | Add |
| Electromotor |
| Type | Add |
| Number of engines | Add |
| Battery type | Add |
| Battery capacity | Add |
| Battery voltage | Add |
| Battery range | Add |
| Power consumption | Add |
| Chassis |
| ABS | + |
| Front wheel suspension | Wishbone |
| Rear wheel suspension | Helical spring |
| Front suspension | Add |
| Rear suspension | Add |
| Front stabilizer | Add |
| Rear stabilizer | Add |
| Steering type | Steering rack |
| Power steering | Add |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Tires size | |
| Turning radius | Add |
| Dimensions |
| Length | 4,488 mm |
| Width | 1,757 mm |
| Height | 1,352 mm |
| Wheelbase | 2,725 mm |
| Kerb weight | 1,620 kg |
| Gross weight | 2,040 kg |
| Minimum boot space | 300 l |
| Maximum boot space | Add |
| Max. roof load | Add |
| Front track | 1,471 mm |
| Rear track | 1,472 mm |
| Ride height | Add |
| Drag coefficient | Add |