BMW 18 4S, Engine
| Engine capacity | 1,795 cm³ |
| Maximum power (range), hp | 140 |
| Maximum torque, N*m (kg*m) at rpm. | 175 (18) / 4500 |
| Fuel used | Premium gasoline (AI-98) |
| Fuel consumption, l/100 km | 11 |
| Engine type | In-line, 4-cylinder |
| Maximum power, hp (kW) at rpm | 140 (103) / 6000 |
| Compression Ratio (Range) | 10 |
| Valve drive | DOHC |
| Number of valves per cylinder (range) | 4 |
| Start-stop system |