| General | |
| Body type | Hatchback |
| Brand | BMW |
| Doors | 5 |
| End of production | 2019 |
| Generation | 1 Series Hatchback 5dr (F20 LCI, 2017) |
| Model | 1 Series |
| Modification (Engine) | 125i (224 Hp) Steptronic |
| Powertrain Architecture | Internal Combustion engine |
| Seats | 5 |
| Start of production | 2017 |
| Performance | |
| Acceleration 0 - 100 km/h | 6.1 sec |
| Acceleration 0 - 60 mph | 5.8 sec |
| Acceleration 0 - 62 mph | 6.1 sec |
| CO2 emissions | 130-134 g/km |
| Emission standard | Euro 6 |
| Fuel Type | Petrol (Gasoline) |
| Fuel consumption (economy) - combined | 5.7-5.9 l/100 km |
| Fuel consumption (economy) - extra urban | 4.9-5.0 l/100 km |
| Fuel consumption (economy) - urban | 7.2-7.4 l/100 km |
| Maximum speed | 243 km/h |
| Dimensions | |
| Drag coefficient (Cd) | 0.32 |
| Front overhang | 770 mm |
| Front track | 1521 mm |
| Height | 1421 mm |
| Length | 4329 mm |
| Minimum turning circle (turning diameter) | 10.9 m |
| Rear (Back) track | 1556 mm |
| Rear overhang | 869 mm |
| Ride height | 140 mm |
| Wheelbase | 2690 mm |
| Width | 1765 mm |
| Engine | |
| Compression ratio | 10.2 |
| Cylinder Bore | 82 mm |
| Engine aspiration | Twin-power turbo, Intercooler |
| Engine displacement | 1998 cm |
| Engine oil capacity | 5-5.25 l |
| Fuel System | Direct injection |
| Model Engine | B48B20 |
| Number of cylinders | 4 |
| Number of valves per cylinder | 4 |
| Position of cylinders | Inline |
| Power | 224 Hp @ 5200 rpm. |
| Torque | 310 Nm @ 1400-5000 rpm. |
| Drivetrain | |
| Drive wheel | Rear wheel drive |
| Front brakes | Ventilated discs |
| Front suspension | Double wishbone |
| Number of Gears (automatic transmission) | 8 Steptronic |
| Power steering | Electric Steering |
| Rear brakes | Disc |
| Rear suspension | Multi-link independent |
| Steering type | Steering rack and pinion |
| Tires size | 195/55 R16; 205/55 R16; 205/50 R17; 225/45 R17; 245/40 R17; 225/40 R18; 245/35 R18 |
| Wheel rims size | 6.5J x 16; 7J x 16; 7J x 17; 7.5J x 17; 8J x 17; 7.5J x 18; 8J x 18 |
| Space | |
| Fuel tank capacity | 52 l |
| Kerb Weight | 1400 kg |
| Max load | 565 kg |
| Max. roof load | 75 kg |
| Max. weight | 1965 kg |
| Permitted towbar download | 75 kg |
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