The Powertrain of the BMW 3 Series are as follow:
| Variants | 2020 BMW 3 Series 320i Sport | 2019 BMW 3 Series 330i M Sport | 2019 BMW 3 Series 330e M Sport | 2019 BMW 3 Series 318i Luxury |
| Capacity (L) | 2.0L | 2.0L | 2.0L | 1.5L |
| Aspiration Form | Turbocharged | Twin-scroll Turbocharger | Twin-scroll Turbocharger | Turbocharged |
| Cylinder Arrangement | Inline | Inline | Inline | Inline |
| Number of Cylinders | 4 | 4 | 4 | 3 |
| Compression Ratio | 11:1 | 11:1 | 11:1 | 11:1 |
| Valvetrain | DOHC | DOHC | DOHC | |
| Timing Type | ||||
| Horsepower (PS) | 187 | 262 | 187 | 138 |
| Rpm at Max Hp | 5000-6500 | 5000 | 5000 | 4500 |
| Torque(Nm) | 300 | 400 | 290 | 220 |
| Rpm at Max torque | 1350-4000 | 1550 | 1350 | 1250 |
| Top Speed (km/h) | 235 | 250 | 225 | 210 |
| Fuel | Petrol | Petrol | Hybrid | Petrol |
