| General | |
| Body type | Sedan |
| Brand | BMW |
| Doors | 4 |
| End of production | January, 2007 |
| Generation | 3 Series Sedan (E90) |
| Model | 3 Series |
| Modification (Engine) | 320si (173 Hp) |
| Powertrain Architecture | Internal Combustion engine |
| Seats | 5 |
| Start of production | February, 2006 |
| Performance | |
| Acceleration 0 - 100 km/h | 8.1 sec |
| Acceleration 0 - 60 mph | 7.7 sec |
| Acceleration 0 - 62 mph | 8.1 sec |
| CO2 emissions | 214 g/km |
| Fuel Type | Petrol (Gasoline) |
| Fuel consumption (economy) - combined | 8.9 l/100 km |
| Fuel consumption (economy) - extra urban | 6.6 l/100 km |
| Fuel consumption (economy) - urban | 12.8 l/100 km |
| Maximum speed | 225 km/h |
| Dimensions | |
| Front overhang | 755 mm |
| Front track | 1500 mm |
| Height | 1421 mm |
| Length | 4520 mm |
| Rear (Back) track | 1513 mm |
| Rear overhang | 1005 mm |
| Wheelbase | 2760 mm |
| Width | 1817 mm |
| Engine | |
| Compression ratio | 11 |
| Cylinder Bore | 85 mm |
| Engine Model/Code | N45B20 |
| Engine aspiration | Naturally aspirated engine |
| Engine displacement | 1997 cm |
| Engine oil capacity | 4.5 l |
| Engine oil specification | |
| Fuel System | Multi-point indirect injection |
| Number of cylinders | 4 |
| Number of valves per cylinder | 4 |
| Position of cylinders | Inline |
| Power | 173 Hp @ 7000 rpm. |
| Torque | 200 Nm @ 4250 rpm. |
| Drivetrain | |
| Drive wheel | Rear wheel drive |
| Front brakes | Ventilated discs |
| Front suspension | Independent, Spring McPherson, with stabilizer |
| Number of Gears (manual transmission) | 6 |
| Power steering | Hydraulic Steering |
| Rear brakes | Disc |
| Rear suspension | Independent, spring multi-link with stabilizer |
| Steering type | Steering rack and pinion |
| Tires size | 225/40 R18; 255/35 R18 |
| Wheel rims size | 8J x 18; 8.5J x 18 |
| Space | |
| Fuel tank capacity | 63 l |
| Kerb Weight | 1425 kg |
| Max load | 445 kg |
| Max. roof load | 75 kg |
| Max. weight | 1870 kg |
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