BMW ISO, Engine
| Engine capacity | 247 cm³ |
| Maximum power (range), hp | 12 |
| Maximum torque, N*m (kg*m) at rpm. | 137 (14) / 4500 |
| Fuel used | Petrol |
| Fuel consumption, l/100 km | 3.6 |
| Engine type | 1-cylinder |
| Additional engine information | Bing carburetor |
| Maximum power, hp (kW) at rpm | 12 (9) / 5800 |
| Compression Ratio (Range) | 6.8 |
| Cylinder diameter (range), mm | 68 |
| Piston stroke (range), mm | 68 |
| Valve drive | OHV |
| Number of valves per cylinder (range) | 2 |